Home / 12,223.23-18,331.03-5,203.18

Finding the Fourth Proportional to 12,223.23, 18,331.03 and 5,203.18

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Solution

The fourth proportional to 12,223.23, 18,331.03 and 5,203.18 is: 7,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.23 : 18,331.03 = 5,203.18 : x
  2. Step 2: Convert to fraction form
    12,223.23/18,331.03 = 5,203.18/x
  3. Step 3: Cross multiply
    12,223.23x = 18,331.03 × 5,203.18
  4. Step 4: Simplify right side
    12,223.23x = 95,379,648.68
  5. Step 5: Solve for x
    x = 95,379,648.68/12,223.23
  6. Step 6: Final answer
    x = 7,803.15

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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.