Home / 13,337.91-20,013.89-5,446.26

Finding the Fourth Proportional to 13,337.91, 20,013.89 and 5,446.26

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Solution

The fourth proportional to 13,337.91, 20,013.89 and 5,446.26 is: 8,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.91 : 20,013.89 = 5,446.26 : x
  2. Step 2: Convert to fraction form
    13,337.91/20,013.89 = 5,446.26/x
  3. Step 3: Cross multiply
    13,337.91x = 20,013.89 × 5,446.26
  4. Step 4: Simplify right side
    13,337.91x = 109,000,821.32
  5. Step 5: Solve for x
    x = 109,000,821.32/13,337.91
  6. Step 6: Final answer
    x = 8,172.26

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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.