Home / 14,518.12-21,777.18-5,759.20

Finding the Fourth Proportional to 14,518.12, 21,777.18 and 5,759.20

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Solution

The fourth proportional to 14,518.12, 21,777.18 and 5,759.20 is: 8,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.12 : 21,777.18 = 5,759.20 : x
  2. Step 2: Convert to fraction form
    14,518.12/21,777.18 = 5,759.20/x
  3. Step 3: Cross multiply
    14,518.12x = 21,777.18 × 5,759.20
  4. Step 4: Simplify right side
    14,518.12x = 125,419,135.06
  5. Step 5: Solve for x
    x = 125,419,135.06/14,518.12
  6. Step 6: Final answer
    x = 8,638.80

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Similar ratio
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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.