Home / 22,910.60-34,365.90-8,119.40

Finding the Fourth Proportional to 22,910.60, 34,365.90 and 8,119.40

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Solution

The fourth proportional to 22,910.60, 34,365.90 and 8,119.40 is: 12,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.60 : 34,365.90 = 8,119.40 : x
  2. Step 2: Convert to fraction form
    22,910.60/34,365.90 = 8,119.40/x
  3. Step 3: Cross multiply
    22,910.60x = 34,365.90 × 8,119.40
  4. Step 4: Simplify right side
    22,910.60x = 279,030,488.46
  5. Step 5: Solve for x
    x = 279,030,488.46/22,910.60
  6. Step 6: Final answer
    x = 12,179.10

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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.