Home / 13,962.76-20,947.74-4,102.36

Finding the Fourth Proportional to 13,962.76, 20,947.74 and 4,102.36

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Solution

The fourth proportional to 13,962.76, 20,947.74 and 4,102.36 is: 6,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.76 : 20,947.74 = 4,102.36 : x
  2. Step 2: Convert to fraction form
    13,962.76/20,947.74 = 4,102.36/x
  3. Step 3: Cross multiply
    13,962.76x = 20,947.74 × 4,102.36
  4. Step 4: Simplify right side
    13,962.76x = 85,935,170.67
  5. Step 5: Solve for x
    x = 85,935,170.67/13,962.76
  6. Step 6: Final answer
    x = 6,154.60

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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.