Home / 15,135.64-22,704.66-5,274.70

Finding the Fourth Proportional to 15,135.64, 22,704.66 and 5,274.70

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Solution

The fourth proportional to 15,135.64, 22,704.66 and 5,274.70 is: 7,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.64 : 22,704.66 = 5,274.70 : x
  2. Step 2: Convert to fraction form
    15,135.64/22,704.66 = 5,274.70/x
  3. Step 3: Cross multiply
    15,135.64x = 22,704.66 × 5,274.70
  4. Step 4: Simplify right side
    15,135.64x = 119,760,270.10
  5. Step 5: Solve for x
    x = 119,760,270.10/15,135.64
  6. Step 6: Final answer
    x = 7,912.47

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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.