Home / 8,124.16-12,183.70-3,192.48

Finding the Fourth Proportional to 8,124.16, 12,183.70 and 3,192.48

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Solution

The fourth proportional to 8,124.16, 12,183.70 and 3,192.48 is: 4,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.16 : 12,183.70 = 3,192.48 : x
  2. Step 2: Convert to fraction form
    8,124.16/12,183.70 = 3,192.48/x
  3. Step 3: Cross multiply
    8,124.16x = 12,183.70 × 3,192.48
  4. Step 4: Simplify right side
    8,124.16x = 38,896,218.58
  5. Step 5: Solve for x
    x = 38,896,218.58/8,124.16
  6. Step 6: Final answer
    x = 4,787.72

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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.