Home / 12,495.06-17,239.05-8,248.23

Finding the Fourth Proportional to 12,495.06, 17,239.05 and 8,248.23

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Solution

The fourth proportional to 12,495.06, 17,239.05 and 8,248.23 is: 11,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.06 : 17,239.05 = 8,248.23 : x
  2. Step 2: Convert to fraction form
    12,495.06/17,239.05 = 8,248.23/x
  3. Step 3: Cross multiply
    12,495.06x = 17,239.05 × 8,248.23
  4. Step 4: Simplify right side
    12,495.06x = 142,191,649.38
  5. Step 5: Solve for x
    x = 142,191,649.38/12,495.06
  6. Step 6: Final answer
    x = 11,379.83

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Half scale
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Double scale
Find fourth proportional to 12,496.06, 17,240.43 and 8,249.23
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.