Home / 17,747.40-26,621.10-12,863.10

Finding the Fourth Proportional to 17,747.40, 26,621.10 and 12,863.10

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Solution

The fourth proportional to 17,747.40, 26,621.10 and 12,863.10 is: 19,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.40 : 26,621.10 = 12,863.10 : x
  2. Step 2: Convert to fraction form
    17,747.40/26,621.10 = 12,863.10/x
  3. Step 3: Cross multiply
    17,747.40x = 26,621.10 × 12,863.10
  4. Step 4: Simplify right side
    17,747.40x = 342,429,871.41
  5. Step 5: Solve for x
    x = 342,429,871.41/17,747.40
  6. Step 6: Final answer
    x = 19,294.65

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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.