Home / 14,944.29-20,622.31-8,228.65

Finding the Fourth Proportional to 14,944.29, 20,622.31 and 8,228.65

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Solution

The fourth proportional to 14,944.29, 20,622.31 and 8,228.65 is: 11,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.29 : 20,622.31 = 8,228.65 : x
  2. Step 2: Convert to fraction form
    14,944.29/20,622.31 = 8,228.65/x
  3. Step 3: Cross multiply
    14,944.29x = 20,622.31 × 8,228.65
  4. Step 4: Simplify right side
    14,944.29x = 169,693,626.93
  5. Step 5: Solve for x
    x = 169,693,626.93/14,944.29
  6. Step 6: Final answer
    x = 11,355.08

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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.