Home / 15,229.59-22,811.58-7,422

Finding the Fourth Proportional to 15,229.59, 22,811.58 and 7,422

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Solution

The fourth proportional to 15,229.59, 22,811.58 and 7,422 is: 11,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.59 : 22,811.58 = 7,422 : x
  2. Step 2: Convert to fraction form
    15,229.59/22,811.58 = 7,422/x
  3. Step 3: Cross multiply
    15,229.59x = 22,811.58 × 7,422
  4. Step 4: Simplify right side
    15,229.59x = 169,307,546.76
  5. Step 5: Solve for x
    x = 169,307,546.76/15,229.59
  6. Step 6: Final answer
    x = 11,117.01

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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.