Home / 9,966.76-14,943.90-4,419.88

Finding the Fourth Proportional to 9,966.76, 14,943.90 and 4,419.88

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Solution

The fourth proportional to 9,966.76, 14,943.90 and 4,419.88 is: 6,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.76 : 14,943.90 = 4,419.88 : x
  2. Step 2: Convert to fraction form
    9,966.76/14,943.90 = 4,419.88/x
  3. Step 3: Cross multiply
    9,966.76x = 14,943.90 × 4,419.88
  4. Step 4: Simplify right side
    9,966.76x = 66,050,244.73
  5. Step 5: Solve for x
    x = 66,050,244.73/9,966.76
  6. Step 6: Final answer
    x = 6,627.05

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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.