Home / 15,155.52-22,743.65-5,294.80

Finding the Fourth Proportional to 15,155.52, 22,743.65 and 5,294.80

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Solution

The fourth proportional to 15,155.52, 22,743.65 and 5,294.80 is: 7,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.52 : 22,743.65 = 5,294.80 : x
  2. Step 2: Convert to fraction form
    15,155.52/22,743.65 = 5,294.80/x
  3. Step 3: Cross multiply
    15,155.52x = 22,743.65 × 5,294.80
  4. Step 4: Simplify right side
    15,155.52x = 120,423,078.02
  5. Step 5: Solve for x
    x = 120,423,078.02/15,155.52
  6. Step 6: Final answer
    x = 7,945.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.