Home / 10,337.09-15,505.59-8,261.15

Finding the Fourth Proportional to 10,337.09, 15,505.59 and 8,261.15

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Solution

The fourth proportional to 10,337.09, 15,505.59 and 8,261.15 is: 12,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.09 : 15,505.59 = 8,261.15 : x
  2. Step 2: Convert to fraction form
    10,337.09/15,505.59 = 8,261.15/x
  3. Step 3: Cross multiply
    10,337.09x = 15,505.59 × 8,261.15
  4. Step 4: Simplify right side
    10,337.09x = 128,094,043.59
  5. Step 5: Solve for x
    x = 128,094,043.59/10,337.09
  6. Step 6: Final answer
    x = 12,391.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.