Home / 9,363.41-12,921.55-5,171.66

Finding the Fourth Proportional to 9,363.41, 12,921.55 and 5,171.66

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Solution

The fourth proportional to 9,363.41, 12,921.55 and 5,171.66 is: 7,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.41 : 12,921.55 = 5,171.66 : x
  2. Step 2: Convert to fraction form
    9,363.41/12,921.55 = 5,171.66/x
  3. Step 3: Cross multiply
    9,363.41x = 12,921.55 × 5,171.66
  4. Step 4: Simplify right side
    9,363.41x = 66,825,863.27
  5. Step 5: Solve for x
    x = 66,825,863.27/9,363.41
  6. Step 6: Final answer
    x = 7,136.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.