Home / 15,286.89-22,933.98-5,425.41

Finding the Fourth Proportional to 15,286.89, 22,933.98 and 5,425.41

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Solution

The fourth proportional to 15,286.89, 22,933.98 and 5,425.41 is: 8,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.89 : 22,933.98 = 5,425.41 : x
  2. Step 2: Convert to fraction form
    15,286.89/22,933.98 = 5,425.41/x
  3. Step 3: Cross multiply
    15,286.89x = 22,933.98 × 5,425.41
  4. Step 4: Simplify right side
    15,286.89x = 124,426,244.43
  5. Step 5: Solve for x
    x = 124,426,244.43/15,286.89
  6. Step 6: Final answer
    x = 8,139.41

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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.