Home / 10,168.95-15,251.97-3,931.90

Finding the Fourth Proportional to 10,168.95, 15,251.97 and 3,931.90

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Solution

The fourth proportional to 10,168.95, 15,251.97 and 3,931.90 is: 5,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.95 : 15,251.97 = 3,931.90 : x
  2. Step 2: Convert to fraction form
    10,168.95/15,251.97 = 3,931.90/x
  3. Step 3: Cross multiply
    10,168.95x = 15,251.97 × 3,931.90
  4. Step 4: Simplify right side
    10,168.95x = 59,969,182.71
  5. Step 5: Solve for x
    x = 59,969,182.71/10,168.95
  6. Step 6: Final answer
    x = 5,897.28

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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.