Home / 15,902.07-23,865.39-8,512.71

Finding the Fourth Proportional to 15,902.07, 23,865.39 and 8,512.71

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Solution

The fourth proportional to 15,902.07, 23,865.39 and 8,512.71 is: 12,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.07 : 23,865.39 = 8,512.71 : x
  2. Step 2: Convert to fraction form
    15,902.07/23,865.39 = 8,512.71/x
  3. Step 3: Cross multiply
    15,902.07x = 23,865.39 × 8,512.71
  4. Step 4: Simplify right side
    15,902.07x = 203,159,144.11
  5. Step 5: Solve for x
    x = 203,159,144.11/15,902.07
  6. Step 6: Final answer
    x = 12,775.64

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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.