Home / 19,880.97-29,821.47-9,343.26

Finding the Fourth Proportional to 19,880.97, 29,821.47 and 9,343.26

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Solution

The fourth proportional to 19,880.97, 29,821.47 and 9,343.26 is: 14,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.97 : 29,821.47 = 9,343.26 : x
  2. Step 2: Convert to fraction form
    19,880.97/29,821.47 = 9,343.26/x
  3. Step 3: Cross multiply
    19,880.97x = 29,821.47 × 9,343.26
  4. Step 4: Simplify right side
    19,880.97x = 278,629,747.79
  5. Step 5: Solve for x
    x = 278,629,747.79/19,880.97
  6. Step 6: Final answer
    x = 14,014.90

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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.