Home / 24,898.68-34,360.38-13,720.68

Finding the Fourth Proportional to 24,898.68, 34,360.38 and 13,720.68

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Solution

The fourth proportional to 24,898.68, 34,360.38 and 13,720.68 is: 18,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,898.68 : 34,360.38 = 13,720.68 : x
  2. Step 2: Convert to fraction form
    24,898.68/34,360.38 = 13,720.68/x
  3. Step 3: Cross multiply
    24,898.68x = 34,360.38 × 13,720.68
  4. Step 4: Simplify right side
    24,898.68x = 471,447,778.66
  5. Step 5: Solve for x
    x = 471,447,778.66/24,898.68
  6. Step 6: Final answer
    x = 18,934.65

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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.