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Finding the Fourth Proportional to 18,077.16, 27,110.25 and 10,679.63

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Solution

The fourth proportional to 18,077.16, 27,110.25 and 10,679.63 is: 16,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.16 : 27,110.25 = 10,679.63 : x
  2. Step 2: Convert to fraction form
    18,077.16/27,110.25 = 10,679.63/x
  3. Step 3: Cross multiply
    18,077.16x = 27,110.25 × 10,679.63
  4. Step 4: Simplify right side
    18,077.16x = 289,527,303.66
  5. Step 5: Solve for x
    x = 289,527,303.66/18,077.16
  6. Step 6: Final answer
    x = 16,016.19

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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.