Home / 10,961.29-15,126.55-5,925.49

Finding the Fourth Proportional to 10,961.29, 15,126.55 and 5,925.49

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Solution

The fourth proportional to 10,961.29, 15,126.55 and 5,925.49 is: 8,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.29 : 15,126.55 = 5,925.49 : x
  2. Step 2: Convert to fraction form
    10,961.29/15,126.55 = 5,925.49/x
  3. Step 3: Cross multiply
    10,961.29x = 15,126.55 × 5,925.49
  4. Step 4: Simplify right side
    10,961.29x = 89,632,168.13
  5. Step 5: Solve for x
    x = 89,632,168.13/10,961.29
  6. Step 6: Final answer
    x = 8,177.15

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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.