Home / 17,938.92-24,756.12-9,980.88

Finding the Fourth Proportional to 17,938.92, 24,756.12 and 9,980.88

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Solution

The fourth proportional to 17,938.92, 24,756.12 and 9,980.88 is: 13,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.92 : 24,756.12 = 9,980.88 : x
  2. Step 2: Convert to fraction form
    17,938.92/24,756.12 = 9,980.88/x
  3. Step 3: Cross multiply
    17,938.92x = 24,756.12 × 9,980.88
  4. Step 4: Simplify right side
    17,938.92x = 247,087,862.99
  5. Step 5: Solve for x
    x = 247,087,862.99/17,938.92
  6. Step 6: Final answer
    x = 13,773.84

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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.