Home / 12,351.92-18,487.74-9,064.22

Finding the Fourth Proportional to 12,351.92, 18,487.74 and 9,064.22

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Solution

The fourth proportional to 12,351.92, 18,487.74 and 9,064.22 is: 13,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.92 : 18,487.74 = 9,064.22 : x
  2. Step 2: Convert to fraction form
    12,351.92/18,487.74 = 9,064.22/x
  3. Step 3: Cross multiply
    12,351.92x = 18,487.74 × 9,064.22
  4. Step 4: Simplify right side
    12,351.92x = 167,576,942.66
  5. Step 5: Solve for x
    x = 167,576,942.66/12,351.92
  6. Step 6: Final answer
    x = 13,566.87

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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.