Home / 12,377.40-18,568.98-4,056.90

Finding the Fourth Proportional to 12,377.40, 18,568.98 and 4,056.90

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Solution

The fourth proportional to 12,377.40, 18,568.98 and 4,056.90 is: 6,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.40 : 18,568.98 = 4,056.90 : x
  2. Step 2: Convert to fraction form
    12,377.40/18,568.98 = 4,056.90/x
  3. Step 3: Cross multiply
    12,377.40x = 18,568.98 × 4,056.90
  4. Step 4: Simplify right side
    12,377.40x = 75,332,494.96
  5. Step 5: Solve for x
    x = 75,332,494.96/12,377.40
  6. Step 6: Final answer
    x = 6,086.29

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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.