Home / 13,841.28-20,769.60-10,151.04

Finding the Fourth Proportional to 13,841.28, 20,769.60 and 10,151.04

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Solution

The fourth proportional to 13,841.28, 20,769.60 and 10,151.04 is: 15,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.28 : 20,769.60 = 10,151.04 : x
  2. Step 2: Convert to fraction form
    13,841.28/20,769.60 = 10,151.04/x
  3. Step 3: Cross multiply
    13,841.28x = 20,769.60 × 10,151.04
  4. Step 4: Simplify right side
    13,841.28x = 210,833,040.38
  5. Step 5: Solve for x
    x = 210,833,040.38/13,841.28
  6. Step 6: Final answer
    x = 15,232.19

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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.