Home / 18,400.68-27,577.88-9,966.86

Finding the Fourth Proportional to 18,400.68, 27,577.88 and 9,966.86

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Solution

The fourth proportional to 18,400.68, 27,577.88 and 9,966.86 is: 14,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.68 : 27,577.88 = 9,966.86 : x
  2. Step 2: Convert to fraction form
    18,400.68/27,577.88 = 9,966.86/x
  3. Step 3: Cross multiply
    18,400.68x = 27,577.88 × 9,966.86
  4. Step 4: Simplify right side
    18,400.68x = 274,864,869.06
  5. Step 5: Solve for x
    x = 274,864,869.06/18,400.68
  6. Step 6: Final answer
    x = 14,937.76

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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.