Home / 18,006.42-27,010.65-4,859.82

Finding the Fourth Proportional to 18,006.42, 27,010.65 and 4,859.82

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Solution

The fourth proportional to 18,006.42, 27,010.65 and 4,859.82 is: 7,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.42 : 27,010.65 = 4,859.82 : x
  2. Step 2: Convert to fraction form
    18,006.42/27,010.65 = 4,859.82/x
  3. Step 3: Cross multiply
    18,006.42x = 27,010.65 × 4,859.82
  4. Step 4: Simplify right side
    18,006.42x = 131,266,897.08
  5. Step 5: Solve for x
    x = 131,266,897.08/18,006.42
  6. Step 6: Final answer
    x = 7,290.01

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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.