Home / 15,452.92-21,324.13-8,739.95

Finding the Fourth Proportional to 15,452.92, 21,324.13 and 8,739.95

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Solution

The fourth proportional to 15,452.92, 21,324.13 and 8,739.95 is: 12,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.92 : 21,324.13 = 8,739.95 : x
  2. Step 2: Convert to fraction form
    15,452.92/21,324.13 = 8,739.95/x
  3. Step 3: Cross multiply
    15,452.92x = 21,324.13 × 8,739.95
  4. Step 4: Simplify right side
    15,452.92x = 186,371,829.99
  5. Step 5: Solve for x
    x = 186,371,829.99/15,452.92
  6. Step 6: Final answer
    x = 12,060.62

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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.