Home / 16,675.28-23,010.92-9,120.10

Finding the Fourth Proportional to 16,675.28, 23,010.92 and 9,120.10

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Solution

The fourth proportional to 16,675.28, 23,010.92 and 9,120.10 is: 12,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.28 : 23,010.92 = 9,120.10 : x
  2. Step 2: Convert to fraction form
    16,675.28/23,010.92 = 9,120.10/x
  3. Step 3: Cross multiply
    16,675.28x = 23,010.92 × 9,120.10
  4. Step 4: Simplify right side
    16,675.28x = 209,861,891.49
  5. Step 5: Solve for x
    x = 209,861,891.49/16,675.28
  6. Step 6: Final answer
    x = 12,585.21

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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.