Home / 12,449.93-18,677.24-5,429.93

Finding the Fourth Proportional to 12,449.93, 18,677.24 and 5,429.93

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Solution

The fourth proportional to 12,449.93, 18,677.24 and 5,429.93 is: 8,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.93 : 18,677.24 = 5,429.93 : x
  2. Step 2: Convert to fraction form
    12,449.93/18,677.24 = 5,429.93/x
  3. Step 3: Cross multiply
    12,449.93x = 18,677.24 × 5,429.93
  4. Step 4: Simplify right side
    12,449.93x = 101,416,078.64
  5. Step 5: Solve for x
    x = 101,416,078.64/12,449.93
  6. Step 6: Final answer
    x = 8,145.92

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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.