Home / 18,077.29-27,129.26-8,589.66

Finding the Fourth Proportional to 18,077.29, 27,129.26 and 8,589.66

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Solution

The fourth proportional to 18,077.29, 27,129.26 and 8,589.66 is: 12,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.29 : 27,129.26 = 8,589.66 : x
  2. Step 2: Convert to fraction form
    18,077.29/27,129.26 = 8,589.66/x
  3. Step 3: Cross multiply
    18,077.29x = 27,129.26 × 8,589.66
  4. Step 4: Simplify right side
    18,077.29x = 233,031,039.19
  5. Step 5: Solve for x
    x = 233,031,039.19/18,077.29
  6. Step 6: Final answer
    x = 12,890.82

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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.