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Finding the Fourth Proportional to 8,976.67, 13,453.12 and 6,888.69

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Solution

The fourth proportional to 8,976.67, 13,453.12 and 6,888.69 is: 10,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.67 : 13,453.12 = 6,888.69 : x
  2. Step 2: Convert to fraction form
    8,976.67/13,453.12 = 6,888.69/x
  3. Step 3: Cross multiply
    8,976.67x = 13,453.12 × 6,888.69
  4. Step 4: Simplify right side
    8,976.67x = 92,674,338.77
  5. Step 5: Solve for x
    x = 92,674,338.77/8,976.67
  6. Step 6: Final answer
    x = 10,323.92

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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.