Home / 10,531.44-15,795.88-8,787.52

Finding the Fourth Proportional to 10,531.44, 15,795.88 and 8,787.52

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Solution

The fourth proportional to 10,531.44, 15,795.88 and 8,787.52 is: 13,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.44 : 15,795.88 = 8,787.52 : x
  2. Step 2: Convert to fraction form
    10,531.44/15,795.88 = 8,787.52/x
  3. Step 3: Cross multiply
    10,531.44x = 15,795.88 × 8,787.52
  4. Step 4: Simplify right side
    10,531.44x = 138,806,611.42
  5. Step 5: Solve for x
    x = 138,806,611.42/10,531.44
  6. Step 6: Final answer
    x = 13,180.21

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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.