Home / 14,944.78-20,623.94-8,230.56

Finding the Fourth Proportional to 14,944.78, 20,623.94 and 8,230.56

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Solution

The fourth proportional to 14,944.78, 20,623.94 and 8,230.56 is: 11,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.78 : 20,623.94 = 8,230.56 : x
  2. Step 2: Convert to fraction form
    14,944.78/20,623.94 = 8,230.56/x
  3. Step 3: Cross multiply
    14,944.78x = 20,623.94 × 8,230.56
  4. Step 4: Simplify right side
    14,944.78x = 169,746,575.61
  5. Step 5: Solve for x
    x = 169,746,575.61/14,944.78
  6. Step 6: Final answer
    x = 11,358.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.