Home / 15,000.54-22,500.82-3,907.20

Finding the Fourth Proportional to 15,000.54, 22,500.82 and 3,907.20

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Solution

The fourth proportional to 15,000.54, 22,500.82 and 3,907.20 is: 5,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.54 : 22,500.82 = 3,907.20 : x
  2. Step 2: Convert to fraction form
    15,000.54/22,500.82 = 3,907.20/x
  3. Step 3: Cross multiply
    15,000.54x = 22,500.82 × 3,907.20
  4. Step 4: Simplify right side
    15,000.54x = 87,915,203.90
  5. Step 5: Solve for x
    x = 87,915,203.90/15,000.54
  6. Step 6: Final answer
    x = 5,860.80

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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.