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Finding the Fourth Proportional to 8,984.68, 13,406.74 and 8,050.73

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Solution

The fourth proportional to 8,984.68, 13,406.74 and 8,050.73 is: 12,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.68 : 13,406.74 = 8,050.73 : x
  2. Step 2: Convert to fraction form
    8,984.68/13,406.74 = 8,050.73/x
  3. Step 3: Cross multiply
    8,984.68x = 13,406.74 × 8,050.73
  4. Step 4: Simplify right side
    8,984.68x = 107,934,043.92
  5. Step 5: Solve for x
    x = 107,934,043.92/8,984.68
  6. Step 6: Final answer
    x = 12,013.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.