Home / 13,381.38-20,072.27-5,065.31

Finding the Fourth Proportional to 13,381.38, 20,072.27 and 5,065.31

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Solution

The fourth proportional to 13,381.38, 20,072.27 and 5,065.31 is: 7,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.38 : 20,072.27 = 5,065.31 : x
  2. Step 2: Convert to fraction form
    13,381.38/20,072.27 = 5,065.31/x
  3. Step 3: Cross multiply
    13,381.38x = 20,072.27 × 5,065.31
  4. Step 4: Simplify right side
    13,381.38x = 101,672,169.59
  5. Step 5: Solve for x
    x = 101,672,169.59/13,381.38
  6. Step 6: Final answer
    x = 7,598.04

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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.