Home / 13,756.55-20,635.97-4,397.90

Finding the Fourth Proportional to 13,756.55, 20,635.97 and 4,397.90

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Solution

The fourth proportional to 13,756.55, 20,635.97 and 4,397.90 is: 6,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.55 : 20,635.97 = 4,397.90 : x
  2. Step 2: Convert to fraction form
    13,756.55/20,635.97 = 4,397.90/x
  3. Step 3: Cross multiply
    13,756.55x = 20,635.97 × 4,397.90
  4. Step 4: Simplify right side
    13,756.55x = 90,754,807.29
  5. Step 5: Solve for x
    x = 90,754,807.29/13,756.55
  6. Step 6: Final answer
    x = 6,597.21

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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.