Home / 12,319.13-18,471.27-5,194.87

Finding the Fourth Proportional to 12,319.13, 18,471.27 and 5,194.87

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Solution

The fourth proportional to 12,319.13, 18,471.27 and 5,194.87 is: 7,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.13 : 18,471.27 = 5,194.87 : x
  2. Step 2: Convert to fraction form
    12,319.13/18,471.27 = 5,194.87/x
  3. Step 3: Cross multiply
    12,319.13x = 18,471.27 × 5,194.87
  4. Step 4: Simplify right side
    12,319.13x = 95,955,819.69
  5. Step 5: Solve for x
    x = 95,955,819.69/12,319.13
  6. Step 6: Final answer
    x = 7,789.17

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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.