Home / 16,143.60-22,278.96-9,072.24

Finding the Fourth Proportional to 16,143.60, 22,278.96 and 9,072.24

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Solution

The fourth proportional to 16,143.60, 22,278.96 and 9,072.24 is: 12,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.60 : 22,278.96 = 9,072.24 : x
  2. Step 2: Convert to fraction form
    16,143.60/22,278.96 = 9,072.24/x
  3. Step 3: Cross multiply
    16,143.60x = 22,278.96 × 9,072.24
  4. Step 4: Simplify right side
    16,143.60x = 202,120,072.07
  5. Step 5: Solve for x
    x = 202,120,072.07/16,143.60
  6. Step 6: Final answer
    x = 12,520.14

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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.