Home / 11,748.20-16,204.02-9,977

Finding the Fourth Proportional to 11,748.20, 16,204.02 and 9,977

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Solution

The fourth proportional to 11,748.20, 16,204.02 and 9,977 is: 13,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.20 : 16,204.02 = 9,977 : x
  2. Step 2: Convert to fraction form
    11,748.20/16,204.02 = 9,977/x
  3. Step 3: Cross multiply
    11,748.20x = 16,204.02 × 9,977
  4. Step 4: Simplify right side
    11,748.20x = 161,667,507.54
  5. Step 5: Solve for x
    x = 161,667,507.54/11,748.20
  6. Step 6: Final answer
    x = 13,761.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.