Home / 11,309.29-15,605.66-6,272.24

Finding the Fourth Proportional to 11,309.29, 15,605.66 and 6,272.24

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Solution

The fourth proportional to 11,309.29, 15,605.66 and 6,272.24 is: 8,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.29 : 15,605.66 = 6,272.24 : x
  2. Step 2: Convert to fraction form
    11,309.29/15,605.66 = 6,272.24/x
  3. Step 3: Cross multiply
    11,309.29x = 15,605.66 × 6,272.24
  4. Step 4: Simplify right side
    11,309.29x = 97,882,382.53
  5. Step 5: Solve for x
    x = 97,882,382.53/11,309.29
  6. Step 6: Final answer
    x = 8,655.04

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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.