Home / 17,911.68-24,720.85-12,892.52

Finding the Fourth Proportional to 17,911.68, 24,720.85 and 12,892.52

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Solution

The fourth proportional to 17,911.68, 24,720.85 and 12,892.52 is: 17,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.68 : 24,720.85 = 12,892.52 : x
  2. Step 2: Convert to fraction form
    17,911.68/24,720.85 = 12,892.52/x
  3. Step 3: Cross multiply
    17,911.68x = 24,720.85 × 12,892.52
  4. Step 4: Simplify right side
    17,911.68x = 318,713,919.38
  5. Step 5: Solve for x
    x = 318,713,919.38/17,911.68
  6. Step 6: Final answer
    x = 17,793.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.