Home / 13,765.68-18,996.30-8,099.46

Finding the Fourth Proportional to 13,765.68, 18,996.30 and 8,099.46

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Solution

The fourth proportional to 13,765.68, 18,996.30 and 8,099.46 is: 11,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.68 : 18,996.30 = 8,099.46 : x
  2. Step 2: Convert to fraction form
    13,765.68/18,996.30 = 8,099.46/x
  3. Step 3: Cross multiply
    13,765.68x = 18,996.30 × 8,099.46
  4. Step 4: Simplify right side
    13,765.68x = 153,859,772.00
  5. Step 5: Solve for x
    x = 153,859,772.00/13,765.68
  6. Step 6: Final answer
    x = 11,177.06

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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.