Home / 13,298.46-20,040.92-11,983.70

Finding the Fourth Proportional to 13,298.46, 20,040.92 and 11,983.70

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Solution

The fourth proportional to 13,298.46, 20,040.92 and 11,983.70 is: 18,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.46 : 20,040.92 = 11,983.70 : x
  2. Step 2: Convert to fraction form
    13,298.46/20,040.92 = 11,983.70/x
  3. Step 3: Cross multiply
    13,298.46x = 20,040.92 × 11,983.70
  4. Step 4: Simplify right side
    13,298.46x = 240,164,212.88
  5. Step 5: Solve for x
    x = 240,164,212.88/13,298.46
  6. Step 6: Final answer
    x = 18,059.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.