Home / 11,549.71-15,939.15-6,513.83

Finding the Fourth Proportional to 11,549.71, 15,939.15 and 6,513.83

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Solution

The fourth proportional to 11,549.71, 15,939.15 and 6,513.83 is: 8,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.71 : 15,939.15 = 6,513.83 : x
  2. Step 2: Convert to fraction form
    11,549.71/15,939.15 = 6,513.83/x
  3. Step 3: Cross multiply
    11,549.71x = 15,939.15 × 6,513.83
  4. Step 4: Simplify right side
    11,549.71x = 103,824,824.26
  5. Step 5: Solve for x
    x = 103,824,824.26/11,549.71
  6. Step 6: Final answer
    x = 8,989.38

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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.