Home / 13,817.01-20,729.55-4,456.82

Finding the Fourth Proportional to 13,817.01, 20,729.55 and 4,456.82

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Solution

The fourth proportional to 13,817.01, 20,729.55 and 4,456.82 is: 6,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.01 : 20,729.55 = 4,456.82 : x
  2. Step 2: Convert to fraction form
    13,817.01/20,729.55 = 4,456.82/x
  3. Step 3: Cross multiply
    13,817.01x = 20,729.55 × 4,456.82
  4. Step 4: Simplify right side
    13,817.01x = 92,387,915.00
  5. Step 5: Solve for x
    x = 92,387,915.00/13,817.01
  6. Step 6: Final answer
    x = 6,686.53

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1.5x scale

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.