Home / 15,201.50-22,759.04-12,648.18

Finding the Fourth Proportional to 15,201.50, 22,759.04 and 12,648.18

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Solution

The fourth proportional to 15,201.50, 22,759.04 and 12,648.18 is: 18,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.50 : 22,759.04 = 12,648.18 : x
  2. Step 2: Convert to fraction form
    15,201.50/22,759.04 = 12,648.18/x
  3. Step 3: Cross multiply
    15,201.50x = 22,759.04 × 12,648.18
  4. Step 4: Simplify right side
    15,201.50x = 287,860,434.55
  5. Step 5: Solve for x
    x = 287,860,434.55/15,201.50
  6. Step 6: Final answer
    x = 18,936.32

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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.