Home / 13,802.47-20,704.39-3,943.22

Finding the Fourth Proportional to 13,802.47, 20,704.39 and 3,943.22

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Solution

The fourth proportional to 13,802.47, 20,704.39 and 3,943.22 is: 5,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.47 : 20,704.39 = 3,943.22 : x
  2. Step 2: Convert to fraction form
    13,802.47/20,704.39 = 3,943.22/x
  3. Step 3: Cross multiply
    13,802.47x = 20,704.39 × 3,943.22
  4. Step 4: Simplify right side
    13,802.47x = 81,641,851.36
  5. Step 5: Solve for x
    x = 81,641,851.36/13,802.47
  6. Step 6: Final answer
    x = 5,915.02

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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.