Home / 18,010.74-27,016.23-11,809.98

Finding the Fourth Proportional to 18,010.74, 27,016.23 and 11,809.98

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Solution

The fourth proportional to 18,010.74, 27,016.23 and 11,809.98 is: 17,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.74 : 27,016.23 = 11,809.98 : x
  2. Step 2: Convert to fraction form
    18,010.74/27,016.23 = 11,809.98/x
  3. Step 3: Cross multiply
    18,010.74x = 27,016.23 × 11,809.98
  4. Step 4: Simplify right side
    18,010.74x = 319,061,135.98
  5. Step 5: Solve for x
    x = 319,061,135.98/18,010.74
  6. Step 6: Final answer
    x = 17,715.05

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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.