Home / 8,124.80-12,181.08-3,193.76

Finding the Fourth Proportional to 8,124.80, 12,181.08 and 3,193.76

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Solution

The fourth proportional to 8,124.80, 12,181.08 and 3,193.76 is: 4,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.80 : 12,181.08 = 3,193.76 : x
  2. Step 2: Convert to fraction form
    8,124.80/12,181.08 = 3,193.76/x
  3. Step 3: Cross multiply
    8,124.80x = 12,181.08 × 3,193.76
  4. Step 4: Simplify right side
    8,124.80x = 38,903,446.06
  5. Step 5: Solve for x
    x = 38,903,446.06/8,124.80
  6. Step 6: Final answer
    x = 4,788.23

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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.