Home / 15,149.31-22,730.58-5,295.66

Finding the Fourth Proportional to 15,149.31, 22,730.58 and 5,295.66

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Solution

The fourth proportional to 15,149.31, 22,730.58 and 5,295.66 is: 7,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.31 : 22,730.58 = 5,295.66 : x
  2. Step 2: Convert to fraction form
    15,149.31/22,730.58 = 5,295.66/x
  3. Step 3: Cross multiply
    15,149.31x = 22,730.58 × 5,295.66
  4. Step 4: Simplify right side
    15,149.31x = 120,373,423.28
  5. Step 5: Solve for x
    x = 120,373,423.28/15,149.31
  6. Step 6: Final answer
    x = 7,945.80

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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.