Home / 18,281.72-25,229.76-10,324.28

Finding the Fourth Proportional to 18,281.72, 25,229.76 and 10,324.28

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Solution

The fourth proportional to 18,281.72, 25,229.76 and 10,324.28 is: 14,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.72 : 25,229.76 = 10,324.28 : x
  2. Step 2: Convert to fraction form
    18,281.72/25,229.76 = 10,324.28/x
  3. Step 3: Cross multiply
    18,281.72x = 25,229.76 × 10,324.28
  4. Step 4: Simplify right side
    18,281.72x = 260,479,106.57
  5. Step 5: Solve for x
    x = 260,479,106.57/18,281.72
  6. Step 6: Final answer
    x = 14,248.06

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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.