Home / 18,453.20-25,456.92-10,897.52

Finding the Fourth Proportional to 18,453.20, 25,456.92 and 10,897.52

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Solution

The fourth proportional to 18,453.20, 25,456.92 and 10,897.52 is: 15,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.20 : 25,456.92 = 10,897.52 : x
  2. Step 2: Convert to fraction form
    18,453.20/25,456.92 = 10,897.52/x
  3. Step 3: Cross multiply
    18,453.20x = 25,456.92 × 10,897.52
  4. Step 4: Simplify right side
    18,453.20x = 277,417,294.84
  5. Step 5: Solve for x
    x = 277,417,294.84/18,453.20
  6. Step 6: Final answer
    x = 15,033.56

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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.