Home / 15,909.78-23,872.86-6,556.71

Finding the Fourth Proportional to 15,909.78, 23,872.86 and 6,556.71

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Solution

The fourth proportional to 15,909.78, 23,872.86 and 6,556.71 is: 9,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.78 : 23,872.86 = 6,556.71 : x
  2. Step 2: Convert to fraction form
    15,909.78/23,872.86 = 6,556.71/x
  3. Step 3: Cross multiply
    15,909.78x = 23,872.86 × 6,556.71
  4. Step 4: Simplify right side
    15,909.78x = 156,527,419.89
  5. Step 5: Solve for x
    x = 156,527,419.89/15,909.78
  6. Step 6: Final answer
    x = 9,838.44

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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.