Home / 13,446.92-20,151.88-6,859.24

Finding the Fourth Proportional to 13,446.92, 20,151.88 and 6,859.24

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Solution

The fourth proportional to 13,446.92, 20,151.88 and 6,859.24 is: 10,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.92 : 20,151.88 = 6,859.24 : x
  2. Step 2: Convert to fraction form
    13,446.92/20,151.88 = 6,859.24/x
  3. Step 3: Cross multiply
    13,446.92x = 20,151.88 × 6,859.24
  4. Step 4: Simplify right side
    13,446.92x = 138,226,581.37
  5. Step 5: Solve for x
    x = 138,226,581.37/13,446.92
  6. Step 6: Final answer
    x = 10,279.42

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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.