Home / 15,943.90-22,003.32-8,872.60

Finding the Fourth Proportional to 15,943.90, 22,003.32 and 8,872.60

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Solution

The fourth proportional to 15,943.90, 22,003.32 and 8,872.60 is: 12,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.90 : 22,003.32 = 8,872.60 : x
  2. Step 2: Convert to fraction form
    15,943.90/22,003.32 = 8,872.60/x
  3. Step 3: Cross multiply
    15,943.90x = 22,003.32 × 8,872.60
  4. Step 4: Simplify right side
    15,943.90x = 195,226,657.03
  5. Step 5: Solve for x
    x = 195,226,657.03/15,943.90
  6. Step 6: Final answer
    x = 12,244.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.