Home / 12,426.67-18,626.49-6,191.29

Finding the Fourth Proportional to 12,426.67, 18,626.49 and 6,191.29

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Solution

The fourth proportional to 12,426.67, 18,626.49 and 6,191.29 is: 9,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.67 : 18,626.49 = 6,191.29 : x
  2. Step 2: Convert to fraction form
    12,426.67/18,626.49 = 6,191.29/x
  3. Step 3: Cross multiply
    12,426.67x = 18,626.49 × 6,191.29
  4. Step 4: Simplify right side
    12,426.67x = 115,322,024.56
  5. Step 5: Solve for x
    x = 115,322,024.56/12,426.67
  6. Step 6: Final answer
    x = 9,280.20

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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.