Home / 12,626.08-17,419.28-7,318.96

Finding the Fourth Proportional to 12,626.08, 17,419.28 and 7,318.96

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Solution

The fourth proportional to 12,626.08, 17,419.28 and 7,318.96 is: 10,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.08 : 17,419.28 = 7,318.96 : x
  2. Step 2: Convert to fraction form
    12,626.08/17,419.28 = 7,318.96/x
  3. Step 3: Cross multiply
    12,626.08x = 17,419.28 × 7,318.96
  4. Step 4: Simplify right side
    12,626.08x = 127,491,013.55
  5. Step 5: Solve for x
    x = 127,491,013.55/12,626.08
  6. Step 6: Final answer
    x = 10,097.43

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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.