Home / 14,622.29-20,178.96-8,248.86

Finding the Fourth Proportional to 14,622.29, 20,178.96 and 8,248.86

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Solution

The fourth proportional to 14,622.29, 20,178.96 and 8,248.86 is: 11,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.29 : 20,178.96 = 8,248.86 : x
  2. Step 2: Convert to fraction form
    14,622.29/20,178.96 = 8,248.86/x
  3. Step 3: Cross multiply
    14,622.29x = 20,178.96 × 8,248.86
  4. Step 4: Simplify right side
    14,622.29x = 166,453,407.70
  5. Step 5: Solve for x
    x = 166,453,407.70/14,622.29
  6. Step 6: Final answer
    x = 11,383.54

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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.