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Finding the Fourth Proportional to 18,279.19, 27,422.03 and 6,590.89

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Solution

The fourth proportional to 18,279.19, 27,422.03 and 6,590.89 is: 9,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.19 : 27,422.03 = 6,590.89 : x
  2. Step 2: Convert to fraction form
    18,279.19/27,422.03 = 6,590.89/x
  3. Step 3: Cross multiply
    18,279.19x = 27,422.03 × 6,590.89
  4. Step 4: Simplify right side
    18,279.19x = 180,735,583.31
  5. Step 5: Solve for x
    x = 180,735,583.31/18,279.19
  6. Step 6: Final answer
    x = 9,887.51

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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.