Home / 12,234.78-18,341.17-4,438.13

Finding the Fourth Proportional to 12,234.78, 18,341.17 and 4,438.13

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Solution

The fourth proportional to 12,234.78, 18,341.17 and 4,438.13 is: 6,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.78 : 18,341.17 = 4,438.13 : x
  2. Step 2: Convert to fraction form
    12,234.78/18,341.17 = 4,438.13/x
  3. Step 3: Cross multiply
    12,234.78x = 18,341.17 × 4,438.13
  4. Step 4: Simplify right side
    12,234.78x = 81,400,496.81
  5. Step 5: Solve for x
    x = 81,400,496.81/12,234.78
  6. Step 6: Final answer
    x = 6,653.20

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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.