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Finding the Fourth Proportional to 8,774.73, 13,154.81 and 6,134.69

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Solution

The fourth proportional to 8,774.73, 13,154.81 and 6,134.69 is: 9,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.73 : 13,154.81 = 6,134.69 : x
  2. Step 2: Convert to fraction form
    8,774.73/13,154.81 = 6,134.69/x
  3. Step 3: Cross multiply
    8,774.73x = 13,154.81 × 6,134.69
  4. Step 4: Simplify right side
    8,774.73x = 80,700,609.58
  5. Step 5: Solve for x
    x = 80,700,609.58/8,774.73
  6. Step 6: Final answer
    x = 9,196.93

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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.