Home / 15,541.73-21,445.18-8,734.41

Finding the Fourth Proportional to 15,541.73, 21,445.18 and 8,734.41

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Solution

The fourth proportional to 15,541.73, 21,445.18 and 8,734.41 is: 12,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.73 : 21,445.18 = 8,734.41 : x
  2. Step 2: Convert to fraction form
    15,541.73/21,445.18 = 8,734.41/x
  3. Step 3: Cross multiply
    15,541.73x = 21,445.18 × 8,734.41
  4. Step 4: Simplify right side
    15,541.73x = 187,310,994.64
  5. Step 5: Solve for x
    x = 187,310,994.64/15,541.73
  6. Step 6: Final answer
    x = 12,052.13

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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.