Home / 15,100.80-22,621.74-9,890.88

Finding the Fourth Proportional to 15,100.80, 22,621.74 and 9,890.88

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Solution

The fourth proportional to 15,100.80, 22,621.74 and 9,890.88 is: 14,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.80 : 22,621.74 = 9,890.88 : x
  2. Step 2: Convert to fraction form
    15,100.80/22,621.74 = 9,890.88/x
  3. Step 3: Cross multiply
    15,100.80x = 22,621.74 × 9,890.88
  4. Step 4: Simplify right side
    15,100.80x = 223,748,915.73
  5. Step 5: Solve for x
    x = 223,748,915.73/15,100.80
  6. Step 6: Final answer
    x = 14,817.02

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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.