Home / 23,215.40-34,823.10-8,424.29

Finding the Fourth Proportional to 23,215.40, 34,823.10 and 8,424.29

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Solution

The fourth proportional to 23,215.40, 34,823.10 and 8,424.29 is: 12,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.40 : 34,823.10 = 8,424.29 : x
  2. Step 2: Convert to fraction form
    23,215.40/34,823.10 = 8,424.29/x
  3. Step 3: Cross multiply
    23,215.40x = 34,823.10 × 8,424.29
  4. Step 4: Simplify right side
    23,215.40x = 293,359,850.98
  5. Step 5: Solve for x
    x = 293,359,850.98/23,215.40
  6. Step 6: Final answer
    x = 12,636.43

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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.