Home / 13,876.55-20,815.07-4,516.53

Finding the Fourth Proportional to 13,876.55, 20,815.07 and 4,516.53

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Solution

The fourth proportional to 13,876.55, 20,815.07 and 4,516.53 is: 6,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.55 : 20,815.07 = 4,516.53 : x
  2. Step 2: Convert to fraction form
    13,876.55/20,815.07 = 4,516.53/x
  3. Step 3: Cross multiply
    13,876.55x = 20,815.07 × 4,516.53
  4. Step 4: Simplify right side
    13,876.55x = 94,011,865.52
  5. Step 5: Solve for x
    x = 94,011,865.52/13,876.55
  6. Step 6: Final answer
    x = 6,774.88

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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.