Home / 18,588.86-27,886.30-6,105.26

Finding the Fourth Proportional to 18,588.86, 27,886.30 and 6,105.26

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Solution

The fourth proportional to 18,588.86, 27,886.30 and 6,105.26 is: 9,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.86 : 27,886.30 = 6,105.26 : x
  2. Step 2: Convert to fraction form
    18,588.86/27,886.30 = 6,105.26/x
  3. Step 3: Cross multiply
    18,588.86x = 27,886.30 × 6,105.26
  4. Step 4: Simplify right side
    18,588.86x = 170,253,111.94
  5. Step 5: Solve for x
    x = 170,253,111.94/18,588.86
  6. Step 6: Final answer
    x = 9,158.88

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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.