Home / 15,175.76-22,766.34-4,645.55

Finding the Fourth Proportional to 15,175.76, 22,766.34 and 4,645.55

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Solution

The fourth proportional to 15,175.76, 22,766.34 and 4,645.55 is: 6,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.76 : 22,766.34 = 4,645.55 : x
  2. Step 2: Convert to fraction form
    15,175.76/22,766.34 = 4,645.55/x
  3. Step 3: Cross multiply
    15,175.76x = 22,766.34 × 4,645.55
  4. Step 4: Simplify right side
    15,175.76x = 105,762,170.79
  5. Step 5: Solve for x
    x = 105,762,170.79/15,175.76
  6. Step 6: Final answer
    x = 6,969.15

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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.