Home / 13,387.46-20,088.08-6,375.43

Finding the Fourth Proportional to 13,387.46, 20,088.08 and 6,375.43

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Solution

The fourth proportional to 13,387.46, 20,088.08 and 6,375.43 is: 9,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.46 : 20,088.08 = 6,375.43 : x
  2. Step 2: Convert to fraction form
    13,387.46/20,088.08 = 6,375.43/x
  3. Step 3: Cross multiply
    13,387.46x = 20,088.08 × 6,375.43
  4. Step 4: Simplify right side
    13,387.46x = 128,070,015.56
  5. Step 5: Solve for x
    x = 128,070,015.56/13,387.46
  6. Step 6: Final answer
    x = 9,566.42

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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.