Home / 10,516.28-15,781.98-6,135.08

Finding the Fourth Proportional to 10,516.28, 15,781.98 and 6,135.08

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Solution

The fourth proportional to 10,516.28, 15,781.98 and 6,135.08 is: 9,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.28 : 15,781.98 = 6,135.08 : x
  2. Step 2: Convert to fraction form
    10,516.28/15,781.98 = 6,135.08/x
  3. Step 3: Cross multiply
    10,516.28x = 15,781.98 × 6,135.08
  4. Step 4: Simplify right side
    10,516.28x = 96,823,709.86
  5. Step 5: Solve for x
    x = 96,823,709.86/10,516.28
  6. Step 6: Final answer
    x = 9,207.03

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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.