Home / 15,020.33-20,727.16-8,305.43

Finding the Fourth Proportional to 15,020.33, 20,727.16 and 8,305.43

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Solution

The fourth proportional to 15,020.33, 20,727.16 and 8,305.43 is: 11,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.33 : 20,727.16 = 8,305.43 : x
  2. Step 2: Convert to fraction form
    15,020.33/20,727.16 = 8,305.43/x
  3. Step 3: Cross multiply
    15,020.33x = 20,727.16 × 8,305.43
  4. Step 4: Simplify right side
    15,020.33x = 172,147,976.48
  5. Step 5: Solve for x
    x = 172,147,976.48/15,020.33
  6. Step 6: Final answer
    x = 11,461.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.