Home / 20,744.16-31,098.56-9,048.80

Finding the Fourth Proportional to 20,744.16, 31,098.56 and 9,048.80

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Solution

The fourth proportional to 20,744.16, 31,098.56 and 9,048.80 is: 13,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.16 : 31,098.56 = 9,048.80 : x
  2. Step 2: Convert to fraction form
    20,744.16/31,098.56 = 9,048.80/x
  3. Step 3: Cross multiply
    20,744.16x = 31,098.56 × 9,048.80
  4. Step 4: Simplify right side
    20,744.16x = 281,404,649.73
  5. Step 5: Solve for x
    x = 281,404,649.73/20,744.16
  6. Step 6: Final answer
    x = 13,565.49

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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.