Home / 22,679.87-34,014.60-8,641.49

Finding the Fourth Proportional to 22,679.87, 34,014.60 and 8,641.49

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Solution

The fourth proportional to 22,679.87, 34,014.60 and 8,641.49 is: 12,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.87 : 34,014.60 = 8,641.49 : x
  2. Step 2: Convert to fraction form
    22,679.87/34,014.60 = 8,641.49/x
  3. Step 3: Cross multiply
    22,679.87x = 34,014.60 × 8,641.49
  4. Step 4: Simplify right side
    22,679.87x = 293,936,655.68
  5. Step 5: Solve for x
    x = 293,936,655.68/22,679.87
  6. Step 6: Final answer
    x = 12,960.25

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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.