Home / 9,819.71-14,731.87-3,245.90

Finding the Fourth Proportional to 9,819.71, 14,731.87 and 3,245.90

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Solution

The fourth proportional to 9,819.71, 14,731.87 and 3,245.90 is: 4,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.71 : 14,731.87 = 3,245.90 : x
  2. Step 2: Convert to fraction form
    9,819.71/14,731.87 = 3,245.90/x
  3. Step 3: Cross multiply
    9,819.71x = 14,731.87 × 3,245.90
  4. Step 4: Simplify right side
    9,819.71x = 47,818,101.14
  5. Step 5: Solve for x
    x = 47,818,101.14/9,819.71
  6. Step 6: Final answer
    x = 4,869.60

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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.