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Finding the Fourth Proportional to 8,677.11, 13,014.20 and 2,435.69

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Solution

The fourth proportional to 8,677.11, 13,014.20 and 2,435.69 is: 3,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.11 : 13,014.20 = 2,435.69 : x
  2. Step 2: Convert to fraction form
    8,677.11/13,014.20 = 2,435.69/x
  3. Step 3: Cross multiply
    8,677.11x = 13,014.20 × 2,435.69
  4. Step 4: Simplify right side
    8,677.11x = 31,698,556.80
  5. Step 5: Solve for x
    x = 31,698,556.80/8,677.11
  6. Step 6: Final answer
    x = 3,653.12

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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.