Home / 12,191.01-18,287.39-5,956.21

Finding the Fourth Proportional to 12,191.01, 18,287.39 and 5,956.21

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Solution

The fourth proportional to 12,191.01, 18,287.39 and 5,956.21 is: 8,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191.01 : 18,287.39 = 5,956.21 : x
  2. Step 2: Convert to fraction form
    12,191.01/18,287.39 = 5,956.21/x
  3. Step 3: Cross multiply
    12,191.01x = 18,287.39 × 5,956.21
  4. Step 4: Simplify right side
    12,191.01x = 108,923,535.19
  5. Step 5: Solve for x
    x = 108,923,535.19/12,191.01
  6. Step 6: Final answer
    x = 8,934.74

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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.