Home / 12,480.41-17,225.87-8,232.23

Finding the Fourth Proportional to 12,480.41, 17,225.87 and 8,232.23

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Solution

The fourth proportional to 12,480.41, 17,225.87 and 8,232.23 is: 11,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.41 : 17,225.87 = 8,232.23 : x
  2. Step 2: Convert to fraction form
    12,480.41/17,225.87 = 8,232.23/x
  3. Step 3: Cross multiply
    12,480.41x = 17,225.87 × 8,232.23
  4. Step 4: Simplify right side
    12,480.41x = 141,807,325.69
  5. Step 5: Solve for x
    x = 141,807,325.69/12,480.41
  6. Step 6: Final answer
    x = 11,362.39

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Half scale
Find fourth proportional to 24,960.83, 34,451.73 and 16,464.47
Double scale
Find fourth proportional to 12,481.41, 17,227.25 and 8,233.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.