Home / 15,619.38-23,431.77-6,855.18

Finding the Fourth Proportional to 15,619.38, 23,431.77 and 6,855.18

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Solution

The fourth proportional to 15,619.38, 23,431.77 and 6,855.18 is: 10,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.38 : 23,431.77 = 6,855.18 : x
  2. Step 2: Convert to fraction form
    15,619.38/23,431.77 = 6,855.18/x
  3. Step 3: Cross multiply
    15,619.38x = 23,431.77 × 6,855.18
  4. Step 4: Simplify right side
    15,619.38x = 160,629,001.07
  5. Step 5: Solve for x
    x = 160,629,001.07/15,619.38
  6. Step 6: Final answer
    x = 10,283.96

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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.