Home / 19,279.80-28,919.67-6,133.29

Finding the Fourth Proportional to 19,279.80, 28,919.67 and 6,133.29

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Solution

The fourth proportional to 19,279.80, 28,919.67 and 6,133.29 is: 9,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.80 : 28,919.67 = 6,133.29 : x
  2. Step 2: Convert to fraction form
    19,279.80/28,919.67 = 6,133.29/x
  3. Step 3: Cross multiply
    19,279.80x = 28,919.67 × 6,133.29
  4. Step 4: Simplify right side
    19,279.80x = 177,372,722.81
  5. Step 5: Solve for x
    x = 177,372,722.81/19,279.80
  6. Step 6: Final answer
    x = 9,199.93

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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.