Home / 14,974.11-20,663.94-8,260.35

Finding the Fourth Proportional to 14,974.11, 20,663.94 and 8,260.35

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Solution

The fourth proportional to 14,974.11, 20,663.94 and 8,260.35 is: 11,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.11 : 20,663.94 = 8,260.35 : x
  2. Step 2: Convert to fraction form
    14,974.11/20,663.94 = 8,260.35/x
  3. Step 3: Cross multiply
    14,974.11x = 20,663.94 × 8,260.35
  4. Step 4: Simplify right side
    14,974.11x = 170,691,376.78
  5. Step 5: Solve for x
    x = 170,691,376.78/14,974.11
  6. Step 6: Final answer
    x = 11,399.10

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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.