Home / 13,239.84-18,251.67-9,456.33

Finding the Fourth Proportional to 13,239.84, 18,251.67 and 9,456.33

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Solution

The fourth proportional to 13,239.84, 18,251.67 and 9,456.33 is: 13,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.84 : 18,251.67 = 9,456.33 : x
  2. Step 2: Convert to fraction form
    13,239.84/18,251.67 = 9,456.33/x
  3. Step 3: Cross multiply
    13,239.84x = 18,251.67 × 9,456.33
  4. Step 4: Simplify right side
    13,239.84x = 172,593,814.57
  5. Step 5: Solve for x
    x = 172,593,814.57/13,239.84
  6. Step 6: Final answer
    x = 13,035.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.