Home / 12,954.82-19,432.26-5,169.10

Finding the Fourth Proportional to 12,954.82, 19,432.26 and 5,169.10

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Solution

The fourth proportional to 12,954.82, 19,432.26 and 5,169.10 is: 7,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.82 : 19,432.26 = 5,169.10 : x
  2. Step 2: Convert to fraction form
    12,954.82/19,432.26 = 5,169.10/x
  3. Step 3: Cross multiply
    12,954.82x = 19,432.26 × 5,169.10
  4. Step 4: Simplify right side
    12,954.82x = 100,447,295.17
  5. Step 5: Solve for x
    x = 100,447,295.17/12,954.82
  6. Step 6: Final answer
    x = 7,753.66

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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.