Home / 12,452.82-18,648.45-9,282.65

Finding the Fourth Proportional to 12,452.82, 18,648.45 and 9,282.65

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Solution

The fourth proportional to 12,452.82, 18,648.45 and 9,282.65 is: 13,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.82 : 18,648.45 = 9,282.65 : x
  2. Step 2: Convert to fraction form
    12,452.82/18,648.45 = 9,282.65/x
  3. Step 3: Cross multiply
    12,452.82x = 18,648.45 × 9,282.65
  4. Step 4: Simplify right side
    12,452.82x = 173,106,941.15
  5. Step 5: Solve for x
    x = 173,106,941.15/12,452.82
  6. Step 6: Final answer
    x = 13,901.02

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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.