Home / 10,721.75-16,079.20-10,022.09

Finding the Fourth Proportional to 10,721.75, 16,079.20 and 10,022.09

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Solution

The fourth proportional to 10,721.75, 16,079.20 and 10,022.09 is: 15,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.75 : 16,079.20 = 10,022.09 : x
  2. Step 2: Convert to fraction form
    10,721.75/16,079.20 = 10,022.09/x
  3. Step 3: Cross multiply
    10,721.75x = 16,079.20 × 10,022.09
  4. Step 4: Simplify right side
    10,721.75x = 161,147,084.08
  5. Step 5: Solve for x
    x = 161,147,084.08/10,721.75
  6. Step 6: Final answer
    x = 15,029.93

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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.