Home / 13,846.52-20,772.88-3,985.04

Finding the Fourth Proportional to 13,846.52, 20,772.88 and 3,985.04

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Solution

The fourth proportional to 13,846.52, 20,772.88 and 3,985.04 is: 5,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.52 : 20,772.88 = 3,985.04 : x
  2. Step 2: Convert to fraction form
    13,846.52/20,772.88 = 3,985.04/x
  3. Step 3: Cross multiply
    13,846.52x = 20,772.88 × 3,985.04
  4. Step 4: Simplify right side
    13,846.52x = 82,780,757.72
  5. Step 5: Solve for x
    x = 82,780,757.72/13,846.52
  6. Step 6: Final answer
    x = 5,978.45

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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.