Home / 18,582.40-27,874.50-7,487.58

Finding the Fourth Proportional to 18,582.40, 27,874.50 and 7,487.58

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Solution

The fourth proportional to 18,582.40, 27,874.50 and 7,487.58 is: 11,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.40 : 27,874.50 = 7,487.58 : x
  2. Step 2: Convert to fraction form
    18,582.40/27,874.50 = 7,487.58/x
  3. Step 3: Cross multiply
    18,582.40x = 27,874.50 × 7,487.58
  4. Step 4: Simplify right side
    18,582.40x = 208,712,548.71
  5. Step 5: Solve for x
    x = 208,712,548.71/18,582.40
  6. Step 6: Final answer
    x = 11,231.73

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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.