Home / 8,256.14-12,384.20-2,784.14

Finding the Fourth Proportional to 8,256.14, 12,384.20 and 2,784.14

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Solution

The fourth proportional to 8,256.14, 12,384.20 and 2,784.14 is: 4,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.14 : 12,384.20 = 2,784.14 : x
  2. Step 2: Convert to fraction form
    8,256.14/12,384.20 = 2,784.14/x
  3. Step 3: Cross multiply
    8,256.14x = 12,384.20 × 2,784.14
  4. Step 4: Simplify right side
    8,256.14x = 34,479,346.59
  5. Step 5: Solve for x
    x = 34,479,346.59/8,256.14
  6. Step 6: Final answer
    x = 4,176.21

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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.