Home / 12,373.38-18,519.30-10,662.66

Finding the Fourth Proportional to 12,373.38, 18,519.30 and 10,662.66

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Solution

The fourth proportional to 12,373.38, 18,519.30 and 10,662.66 is: 15,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.38 : 18,519.30 = 10,662.66 : x
  2. Step 2: Convert to fraction form
    12,373.38/18,519.30 = 10,662.66/x
  3. Step 3: Cross multiply
    12,373.38x = 18,519.30 × 10,662.66
  4. Step 4: Simplify right side
    12,373.38x = 197,464,999.34
  5. Step 5: Solve for x
    x = 197,464,999.34/12,373.38
  6. Step 6: Final answer
    x = 15,958.86

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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.