Home / 15,185.40-22,778.24-5,324.66

Finding the Fourth Proportional to 15,185.40, 22,778.24 and 5,324.66

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Solution

The fourth proportional to 15,185.40, 22,778.24 and 5,324.66 is: 7,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.40 : 22,778.24 = 5,324.66 : x
  2. Step 2: Convert to fraction form
    15,185.40/22,778.24 = 5,324.66/x
  3. Step 3: Cross multiply
    15,185.40x = 22,778.24 × 5,324.66
  4. Step 4: Simplify right side
    15,185.40x = 121,286,383.40
  5. Step 5: Solve for x
    x = 121,286,383.40/15,185.40
  6. Step 6: Final answer
    x = 7,987.04

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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.