Home / 15,483.14-23,217.72-4,387.20

Finding the Fourth Proportional to 15,483.14, 23,217.72 and 4,387.20

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Solution

The fourth proportional to 15,483.14, 23,217.72 and 4,387.20 is: 6,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.14 : 23,217.72 = 4,387.20 : x
  2. Step 2: Convert to fraction form
    15,483.14/23,217.72 = 4,387.20/x
  3. Step 3: Cross multiply
    15,483.14x = 23,217.72 × 4,387.20
  4. Step 4: Simplify right side
    15,483.14x = 101,860,781.18
  5. Step 5: Solve for x
    x = 101,860,781.18/15,483.14
  6. Step 6: Final answer
    x = 6,578.82

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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.