Home / 14,944.35-20,622.39-8,228.70

Finding the Fourth Proportional to 14,944.35, 20,622.39 and 8,228.70

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Solution

The fourth proportional to 14,944.35, 20,622.39 and 8,228.70 is: 11,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.35 : 20,622.39 = 8,228.70 : x
  2. Step 2: Convert to fraction form
    14,944.35/20,622.39 = 8,228.70/x
  3. Step 3: Cross multiply
    14,944.35x = 20,622.39 × 8,228.70
  4. Step 4: Simplify right side
    14,944.35x = 169,695,460.59
  5. Step 5: Solve for x
    x = 169,695,460.59/14,944.35
  6. Step 6: Final answer
    x = 11,355.16

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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.