Home / 15,881.13-23,819.85-4,195.26

Finding the Fourth Proportional to 15,881.13, 23,819.85 and 4,195.26

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Solution

The fourth proportional to 15,881.13, 23,819.85 and 4,195.26 is: 6,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.13 : 23,819.85 = 4,195.26 : x
  2. Step 2: Convert to fraction form
    15,881.13/23,819.85 = 4,195.26/x
  3. Step 3: Cross multiply
    15,881.13x = 23,819.85 × 4,195.26
  4. Step 4: Simplify right side
    15,881.13x = 99,930,463.91
  5. Step 5: Solve for x
    x = 99,930,463.91/15,881.13
  6. Step 6: Final answer
    x = 6,292.40

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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.