Home / 12,227.39-18,334.05-6,521.32

Finding the Fourth Proportional to 12,227.39, 18,334.05 and 6,521.32

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Solution

The fourth proportional to 12,227.39, 18,334.05 and 6,521.32 is: 9,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.39 : 18,334.05 = 6,521.32 : x
  2. Step 2: Convert to fraction form
    12,227.39/18,334.05 = 6,521.32/x
  3. Step 3: Cross multiply
    12,227.39x = 18,334.05 × 6,521.32
  4. Step 4: Simplify right side
    12,227.39x = 119,562,115.28
  5. Step 5: Solve for x
    x = 119,562,115.28/12,227.39
  6. Step 6: Final answer
    x = 9,778.22

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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.