Home / 11,309.05-16,947.78-9,634.45

Finding the Fourth Proportional to 11,309.05, 16,947.78 and 9,634.45

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Solution

The fourth proportional to 11,309.05, 16,947.78 and 9,634.45 is: 14,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.05 : 16,947.78 = 9,634.45 : x
  2. Step 2: Convert to fraction form
    11,309.05/16,947.78 = 9,634.45/x
  3. Step 3: Cross multiply
    11,309.05x = 16,947.78 × 9,634.45
  4. Step 4: Simplify right side
    11,309.05x = 163,282,545.26
  5. Step 5: Solve for x
    x = 163,282,545.26/11,309.05
  6. Step 6: Final answer
    x = 14,438.22

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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.