Home / 12,280.11-16,928.66-9,763.23

Finding the Fourth Proportional to 12,280.11, 16,928.66 and 9,763.23

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Solution

The fourth proportional to 12,280.11, 16,928.66 and 9,763.23 is: 13,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.11 : 16,928.66 = 9,763.23 : x
  2. Step 2: Convert to fraction form
    12,280.11/16,928.66 = 9,763.23/x
  3. Step 3: Cross multiply
    12,280.11x = 16,928.66 × 9,763.23
  4. Step 4: Simplify right side
    12,280.11x = 165,278,489.06
  5. Step 5: Solve for x
    x = 165,278,489.06/12,280.11
  6. Step 6: Final answer
    x = 13,459.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.