Home / 12,582.42-18,876.36-3,818.01

Finding the Fourth Proportional to 12,582.42, 18,876.36 and 3,818.01

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Solution

The fourth proportional to 12,582.42, 18,876.36 and 3,818.01 is: 5,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.42 : 18,876.36 = 3,818.01 : x
  2. Step 2: Convert to fraction form
    12,582.42/18,876.36 = 3,818.01/x
  3. Step 3: Cross multiply
    12,582.42x = 18,876.36 × 3,818.01
  4. Step 4: Simplify right side
    12,582.42x = 72,070,216.35
  5. Step 5: Solve for x
    x = 72,070,216.35/12,582.42
  6. Step 6: Final answer
    x = 5,727.85

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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.