Home / 10,168.19-15,250.85-3,931.14

Finding the Fourth Proportional to 10,168.19, 15,250.85 and 3,931.14

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Solution

The fourth proportional to 10,168.19, 15,250.85 and 3,931.14 is: 5,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.19 : 15,250.85 = 3,931.14 : x
  2. Step 2: Convert to fraction form
    10,168.19/15,250.85 = 3,931.14/x
  3. Step 3: Cross multiply
    10,168.19x = 15,250.85 × 3,931.14
  4. Step 4: Simplify right side
    10,168.19x = 59,953,278.75
  5. Step 5: Solve for x
    x = 59,953,278.75/10,168.19
  6. Step 6: Final answer
    x = 5,896.16

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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.