Home / 12,582.60-18,876.72-4,262.16

Finding the Fourth Proportional to 12,582.60, 18,876.72 and 4,262.16

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Solution

The fourth proportional to 12,582.60, 18,876.72 and 4,262.16 is: 6,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.60 : 18,876.72 = 4,262.16 : x
  2. Step 2: Convert to fraction form
    12,582.60/18,876.72 = 4,262.16/x
  3. Step 3: Cross multiply
    12,582.60x = 18,876.72 × 4,262.16
  4. Step 4: Simplify right side
    12,582.60x = 80,455,600.92
  5. Step 5: Solve for x
    x = 80,455,600.92/12,582.60
  6. Step 6: Final answer
    x = 6,394.20

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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.