Home / 20,001.48-29,993.42-10,639.24

Finding the Fourth Proportional to 20,001.48, 29,993.42 and 10,639.24

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Solution

The fourth proportional to 20,001.48, 29,993.42 and 10,639.24 is: 15,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.48 : 29,993.42 = 10,639.24 : x
  2. Step 2: Convert to fraction form
    20,001.48/29,993.42 = 10,639.24/x
  3. Step 3: Cross multiply
    20,001.48x = 29,993.42 × 10,639.24
  4. Step 4: Simplify right side
    20,001.48x = 319,107,193.80
  5. Step 5: Solve for x
    x = 319,107,193.80/20,001.48
  6. Step 6: Final answer
    x = 15,954.18

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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.