Home / 15,017.68-22,540.09-8,003.55

Finding the Fourth Proportional to 15,017.68, 22,540.09 and 8,003.55

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Solution

The fourth proportional to 15,017.68, 22,540.09 and 8,003.55 is: 12,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.68 : 22,540.09 = 8,003.55 : x
  2. Step 2: Convert to fraction form
    15,017.68/22,540.09 = 8,003.55/x
  3. Step 3: Cross multiply
    15,017.68x = 22,540.09 × 8,003.55
  4. Step 4: Simplify right side
    15,017.68x = 180,400,737.32
  5. Step 5: Solve for x
    x = 180,400,737.32/15,017.68
  6. Step 6: Final answer
    x = 12,012.56

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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.