Home / 13,865.56-20,795.76-4,002.40

Finding the Fourth Proportional to 13,865.56, 20,795.76 and 4,002.40

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Solution

The fourth proportional to 13,865.56, 20,795.76 and 4,002.40 is: 6,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.56 : 20,795.76 = 4,002.40 : x
  2. Step 2: Convert to fraction form
    13,865.56/20,795.76 = 4,002.40/x
  3. Step 3: Cross multiply
    13,865.56x = 20,795.76 × 4,002.40
  4. Step 4: Simplify right side
    13,865.56x = 83,232,949.82
  5. Step 5: Solve for x
    x = 83,232,949.82/13,865.56
  6. Step 6: Final answer
    x = 6,002.86

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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.