Home / 17,812.28-26,717.04-7,279.50

Finding the Fourth Proportional to 17,812.28, 26,717.04 and 7,279.50

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Solution

The fourth proportional to 17,812.28, 26,717.04 and 7,279.50 is: 10,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.28 : 26,717.04 = 7,279.50 : x
  2. Step 2: Convert to fraction form
    17,812.28/26,717.04 = 7,279.50/x
  3. Step 3: Cross multiply
    17,812.28x = 26,717.04 × 7,279.50
  4. Step 4: Simplify right side
    17,812.28x = 194,486,692.68
  5. Step 5: Solve for x
    x = 194,486,692.68/17,812.28
  6. Step 6: Final answer
    x = 10,918.69

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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.