Home / 12,645.10-18,962.79-4,854.52

Finding the Fourth Proportional to 12,645.10, 18,962.79 and 4,854.52

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Solution

The fourth proportional to 12,645.10, 18,962.79 and 4,854.52 is: 7,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.10 : 18,962.79 = 4,854.52 : x
  2. Step 2: Convert to fraction form
    12,645.10/18,962.79 = 4,854.52/x
  3. Step 3: Cross multiply
    12,645.10x = 18,962.79 × 4,854.52
  4. Step 4: Simplify right side
    12,645.10x = 92,055,243.31
  5. Step 5: Solve for x
    x = 92,055,243.31/12,645.10
  6. Step 6: Final answer
    x = 7,279.91

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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.