Home / 13,780.02-20,657.43-5,986.02

Finding the Fourth Proportional to 13,780.02, 20,657.43 and 5,986.02

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Solution

The fourth proportional to 13,780.02, 20,657.43 and 5,986.02 is: 8,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780.02 : 20,657.43 = 5,986.02 : x
  2. Step 2: Convert to fraction form
    13,780.02/20,657.43 = 5,986.02/x
  3. Step 3: Cross multiply
    13,780.02x = 20,657.43 × 5,986.02
  4. Step 4: Simplify right side
    13,780.02x = 123,655,789.13
  5. Step 5: Solve for x
    x = 123,655,789.13/13,780.02
  6. Step 6: Final answer
    x = 8,973.56

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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.