Home / 10,192.82-15,290.75-3,618.46

Finding the Fourth Proportional to 10,192.82, 15,290.75 and 3,618.46

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Solution

The fourth proportional to 10,192.82, 15,290.75 and 3,618.46 is: 5,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.82 : 15,290.75 = 3,618.46 : x
  2. Step 2: Convert to fraction form
    10,192.82/15,290.75 = 3,618.46/x
  3. Step 3: Cross multiply
    10,192.82x = 15,290.75 × 3,618.46
  4. Step 4: Simplify right side
    10,192.82x = 55,328,890.79
  5. Step 5: Solve for x
    x = 55,328,890.79/10,192.82
  6. Step 6: Final answer
    x = 5,428.22

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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.