Home / 18,085.67-27,251.73-14,870.78

Finding the Fourth Proportional to 18,085.67, 27,251.73 and 14,870.78

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Solution

The fourth proportional to 18,085.67, 27,251.73 and 14,870.78 is: 22,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.67 : 27,251.73 = 14,870.78 : x
  2. Step 2: Convert to fraction form
    18,085.67/27,251.73 = 14,870.78/x
  3. Step 3: Cross multiply
    18,085.67x = 27,251.73 × 14,870.78
  4. Step 4: Simplify right side
    18,085.67x = 405,254,481.45
  5. Step 5: Solve for x
    x = 405,254,481.45/18,085.67
  6. Step 6: Final answer
    x = 22,407.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.