Home / 18,006.30-27,010.47-4,859.70

Finding the Fourth Proportional to 18,006.30, 27,010.47 and 4,859.70

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Solution

The fourth proportional to 18,006.30, 27,010.47 and 4,859.70 is: 7,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.30 : 27,010.47 = 4,859.70 : x
  2. Step 2: Convert to fraction form
    18,006.30/27,010.47 = 4,859.70/x
  3. Step 3: Cross multiply
    18,006.30x = 27,010.47 × 4,859.70
  4. Step 4: Simplify right side
    18,006.30x = 131,262,781.06
  5. Step 5: Solve for x
    x = 131,262,781.06/18,006.30
  6. Step 6: Final answer
    x = 7,289.83

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1.5x scale

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.