Home / 13,614.04-20,416.73-4,377.88

Finding the Fourth Proportional to 13,614.04, 20,416.73 and 4,377.88

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Solution

The fourth proportional to 13,614.04, 20,416.73 and 4,377.88 is: 6,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.04 : 20,416.73 = 4,377.88 : x
  2. Step 2: Convert to fraction form
    13,614.04/20,416.73 = 4,377.88/x
  3. Step 3: Cross multiply
    13,614.04x = 20,416.73 × 4,377.88
  4. Step 4: Simplify right side
    13,614.04x = 89,381,993.93
  5. Step 5: Solve for x
    x = 89,381,993.93/13,614.04
  6. Step 6: Final answer
    x = 6,565.43

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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.