Home / 12,195.18-18,276.33-8,892.81

Finding the Fourth Proportional to 12,195.18, 18,276.33 and 8,892.81

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Solution

The fourth proportional to 12,195.18, 18,276.33 and 8,892.81 is: 13,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.18 : 18,276.33 = 8,892.81 : x
  2. Step 2: Convert to fraction form
    12,195.18/18,276.33 = 8,892.81/x
  3. Step 3: Cross multiply
    12,195.18x = 18,276.33 × 8,892.81
  4. Step 4: Simplify right side
    12,195.18x = 162,527,930.19
  5. Step 5: Solve for x
    x = 162,527,930.19/12,195.18
  6. Step 6: Final answer
    x = 13,327.23

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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.