Home / 14,294.60-21,438.54-3,903.88

Finding the Fourth Proportional to 14,294.60, 21,438.54 and 3,903.88

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Solution

The fourth proportional to 14,294.60, 21,438.54 and 3,903.88 is: 5,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294.60 : 21,438.54 = 3,903.88 : x
  2. Step 2: Convert to fraction form
    14,294.60/21,438.54 = 3,903.88/x
  3. Step 3: Cross multiply
    14,294.60x = 21,438.54 × 3,903.88
  4. Step 4: Simplify right side
    14,294.60x = 83,693,487.54
  5. Step 5: Solve for x
    x = 83,693,487.54/14,294.60
  6. Step 6: Final answer
    x = 5,854.90

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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.