Home / 10,659.30-16,008.15-10,313.70

Finding the Fourth Proportional to 10,659.30, 16,008.15 and 10,313.70

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Solution

The fourth proportional to 10,659.30, 16,008.15 and 10,313.70 is: 15,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.30 : 16,008.15 = 10,313.70 : x
  2. Step 2: Convert to fraction form
    10,659.30/16,008.15 = 10,313.70/x
  3. Step 3: Cross multiply
    10,659.30x = 16,008.15 × 10,313.70
  4. Step 4: Simplify right side
    10,659.30x = 165,103,256.66
  5. Step 5: Solve for x
    x = 165,103,256.66/10,659.30
  6. Step 6: Final answer
    x = 15,489.13

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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.