Home / 18,279.33-27,402.59-6,589.81

Finding the Fourth Proportional to 18,279.33, 27,402.59 and 6,589.81

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Solution

The fourth proportional to 18,279.33, 27,402.59 and 6,589.81 is: 9,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.33 : 27,402.59 = 6,589.81 : x
  2. Step 2: Convert to fraction form
    18,279.33/27,402.59 = 6,589.81/x
  3. Step 3: Cross multiply
    18,279.33x = 27,402.59 × 6,589.81
  4. Step 4: Simplify right side
    18,279.33x = 180,577,875.27
  5. Step 5: Solve for x
    x = 180,577,875.27/18,279.33
  6. Step 6: Final answer
    x = 9,878.80

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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.