Home / 12,017.97-18,030.20-10,861.29

Finding the Fourth Proportional to 12,017.97, 18,030.20 and 10,861.29

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Solution

The fourth proportional to 12,017.97, 18,030.20 and 10,861.29 is: 16,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.97 : 18,030.20 = 10,861.29 : x
  2. Step 2: Convert to fraction form
    12,017.97/18,030.20 = 10,861.29/x
  3. Step 3: Cross multiply
    12,017.97x = 18,030.20 × 10,861.29
  4. Step 4: Simplify right side
    12,017.97x = 195,831,176.65
  5. Step 5: Solve for x
    x = 195,831,176.65/12,017.97
  6. Step 6: Final answer
    x = 16,294.86

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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.