Home / 12,582.12-18,873.16-5,648.52

Finding the Fourth Proportional to 12,582.12, 18,873.16 and 5,648.52

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Solution

The fourth proportional to 12,582.12, 18,873.16 and 5,648.52 is: 8,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.12 : 18,873.16 = 5,648.52 : x
  2. Step 2: Convert to fraction form
    12,582.12/18,873.16 = 5,648.52/x
  3. Step 3: Cross multiply
    12,582.12x = 18,873.16 × 5,648.52
  4. Step 4: Simplify right side
    12,582.12x = 106,605,421.72
  5. Step 5: Solve for x
    x = 106,605,421.72/12,582.12
  6. Step 6: Final answer
    x = 8,472.77

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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.