Home / 11,272.41-15,555.78-6,236.24

Finding the Fourth Proportional to 11,272.41, 15,555.78 and 6,236.24

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Solution

The fourth proportional to 11,272.41, 15,555.78 and 6,236.24 is: 8,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.41 : 15,555.78 = 6,236.24 : x
  2. Step 2: Convert to fraction form
    11,272.41/15,555.78 = 6,236.24/x
  3. Step 3: Cross multiply
    11,272.41x = 15,555.78 × 6,236.24
  4. Step 4: Simplify right side
    11,272.41x = 97,009,499.69
  5. Step 5: Solve for x
    x = 97,009,499.69/11,272.41
  6. Step 6: Final answer
    x = 8,605.92

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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.