Home / 12,454.32-18,682.56-3,569.69

Finding the Fourth Proportional to 12,454.32, 18,682.56 and 3,569.69

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Solution

The fourth proportional to 12,454.32, 18,682.56 and 3,569.69 is: 5,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.32 : 18,682.56 = 3,569.69 : x
  2. Step 2: Convert to fraction form
    12,454.32/18,682.56 = 3,569.69/x
  3. Step 3: Cross multiply
    12,454.32x = 18,682.56 × 3,569.69
  4. Step 4: Simplify right side
    12,454.32x = 66,690,840.81
  5. Step 5: Solve for x
    x = 66,690,840.81/12,454.32
  6. Step 6: Final answer
    x = 5,354.83

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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.