Home / 14,445.85-21,671.82-8,208.76

Finding the Fourth Proportional to 14,445.85, 21,671.82 and 8,208.76

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Solution

The fourth proportional to 14,445.85, 21,671.82 and 8,208.76 is: 12,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.85 : 21,671.82 = 8,208.76 : x
  2. Step 2: Convert to fraction form
    14,445.85/21,671.82 = 8,208.76/x
  3. Step 3: Cross multiply
    14,445.85x = 21,671.82 × 8,208.76
  4. Step 4: Simplify right side
    14,445.85x = 177,898,769.14
  5. Step 5: Solve for x
    x = 177,898,769.14/14,445.85
  6. Step 6: Final answer
    x = 12,314.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.