Home / 15,986.20-23,979.30-9,074.20

Finding the Fourth Proportional to 15,986.20, 23,979.30 and 9,074.20

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Solution

The fourth proportional to 15,986.20, 23,979.30 and 9,074.20 is: 13,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.20 : 23,979.30 = 9,074.20 : x
  2. Step 2: Convert to fraction form
    15,986.20/23,979.30 = 9,074.20/x
  3. Step 3: Cross multiply
    15,986.20x = 23,979.30 × 9,074.20
  4. Step 4: Simplify right side
    15,986.20x = 217,592,964.06
  5. Step 5: Solve for x
    x = 217,592,964.06/15,986.20
  6. Step 6: Final answer
    x = 13,611.30

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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.