Home / 18,582.74-27,887.77-12,340.68

Finding the Fourth Proportional to 18,582.74, 27,887.77 and 12,340.68

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Solution

The fourth proportional to 18,582.74, 27,887.77 and 12,340.68 is: 18,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.74 : 27,887.77 = 12,340.68 : x
  2. Step 2: Convert to fraction form
    18,582.74/27,887.77 = 12,340.68/x
  3. Step 3: Cross multiply
    18,582.74x = 27,887.77 × 12,340.68
  4. Step 4: Simplify right side
    18,582.74x = 344,154,045.48
  5. Step 5: Solve for x
    x = 344,154,045.48/18,582.74
  6. Step 6: Final answer
    x = 18,520.09

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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.