Home / 13,851.61-20,777.46-3,463.36

Finding the Fourth Proportional to 13,851.61, 20,777.46 and 3,463.36

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Solution

The fourth proportional to 13,851.61, 20,777.46 and 3,463.36 is: 5,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.61 : 20,777.46 = 3,463.36 : x
  2. Step 2: Convert to fraction form
    13,851.61/20,777.46 = 3,463.36/x
  3. Step 3: Cross multiply
    13,851.61x = 20,777.46 × 3,463.36
  4. Step 4: Simplify right side
    13,851.61x = 71,959,823.87
  5. Step 5: Solve for x
    x = 71,959,823.87/13,851.61
  6. Step 6: Final answer
    x = 5,195.05

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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.