Home / 16,463.70-22,690.53-12,873.78

Finding the Fourth Proportional to 16,463.70, 22,690.53 and 12,873.78

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Solution

The fourth proportional to 16,463.70, 22,690.53 and 12,873.78 is: 17,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,463.70 : 22,690.53 = 12,873.78 : x
  2. Step 2: Convert to fraction form
    16,463.70/22,690.53 = 12,873.78/x
  3. Step 3: Cross multiply
    16,463.70x = 22,690.53 × 12,873.78
  4. Step 4: Simplify right side
    16,463.70x = 292,112,891.30
  5. Step 5: Solve for x
    x = 292,112,891.30/16,463.70
  6. Step 6: Final answer
    x = 17,742.85

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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.