Home / 15,185.43-22,778.30-5,324.95

Finding the Fourth Proportional to 15,185.43, 22,778.30 and 5,324.95

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Solution

The fourth proportional to 15,185.43, 22,778.30 and 5,324.95 is: 7,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.43 : 22,778.30 = 5,324.95 : x
  2. Step 2: Convert to fraction form
    15,185.43/22,778.30 = 5,324.95/x
  3. Step 3: Cross multiply
    15,185.43x = 22,778.30 × 5,324.95
  4. Step 4: Simplify right side
    15,185.43x = 121,293,264.95
  5. Step 5: Solve for x
    x = 121,293,264.95/15,185.43
  6. Step 6: Final answer
    x = 7,987.48

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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.