Home / 18,456.36-25,470.24-10,072.92

Finding the Fourth Proportional to 18,456.36, 25,470.24 and 10,072.92

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Solution

The fourth proportional to 18,456.36, 25,470.24 and 10,072.92 is: 13,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.36 : 25,470.24 = 10,072.92 : x
  2. Step 2: Convert to fraction form
    18,456.36/25,470.24 = 10,072.92/x
  3. Step 3: Cross multiply
    18,456.36x = 25,470.24 × 10,072.92
  4. Step 4: Simplify right side
    18,456.36x = 256,559,689.90
  5. Step 5: Solve for x
    x = 256,559,689.90/18,456.36
  6. Step 6: Final answer
    x = 13,900.88

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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.