Home / 12,844.64-17,734.33-8,318.26

Finding the Fourth Proportional to 12,844.64, 17,734.33 and 8,318.26

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Solution

The fourth proportional to 12,844.64, 17,734.33 and 8,318.26 is: 11,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.64 : 17,734.33 = 8,318.26 : x
  2. Step 2: Convert to fraction form
    12,844.64/17,734.33 = 8,318.26/x
  3. Step 3: Cross multiply
    12,844.64x = 17,734.33 × 8,318.26
  4. Step 4: Simplify right side
    12,844.64x = 147,518,767.87
  5. Step 5: Solve for x
    x = 147,518,767.87/12,844.64
  6. Step 6: Final answer
    x = 11,484.85

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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.