Home / 20,343.06-30,514.59-5,551.65

Finding the Fourth Proportional to 20,343.06, 30,514.59 and 5,551.65

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Solution

The fourth proportional to 20,343.06, 30,514.59 and 5,551.65 is: 8,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.06 : 30,514.59 = 5,551.65 : x
  2. Step 2: Convert to fraction form
    20,343.06/30,514.59 = 5,551.65/x
  3. Step 3: Cross multiply
    20,343.06x = 30,514.59 × 5,551.65
  4. Step 4: Simplify right side
    20,343.06x = 169,406,323.57
  5. Step 5: Solve for x
    x = 169,406,323.57/20,343.06
  6. Step 6: Final answer
    x = 8,327.48

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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.