Home / 16,874.68-23,286.64-9,320.88

Finding the Fourth Proportional to 16,874.68, 23,286.64 and 9,320.88

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Solution

The fourth proportional to 16,874.68, 23,286.64 and 9,320.88 is: 12,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.68 : 23,286.64 = 9,320.88 : x
  2. Step 2: Convert to fraction form
    16,874.68/23,286.64 = 9,320.88/x
  3. Step 3: Cross multiply
    16,874.68x = 23,286.64 × 9,320.88
  4. Step 4: Simplify right side
    16,874.68x = 217,051,977.04
  5. Step 5: Solve for x
    x = 217,051,977.04/16,874.68
  6. Step 6: Final answer
    x = 12,862.58

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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.