Home / 19,709.24-29,591.20-12,342.68

Finding the Fourth Proportional to 19,709.24, 29,591.20 and 12,342.68

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Solution

The fourth proportional to 19,709.24, 29,591.20 and 12,342.68 is: 18,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.24 : 29,591.20 = 12,342.68 : x
  2. Step 2: Convert to fraction form
    19,709.24/29,591.20 = 12,342.68/x
  3. Step 3: Cross multiply
    19,709.24x = 29,591.20 × 12,342.68
  4. Step 4: Simplify right side
    19,709.24x = 365,234,712.42
  5. Step 5: Solve for x
    x = 365,234,712.42/19,709.24
  6. Step 6: Final answer
    x = 18,531.14

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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.