Home / 10,261.69-14,161.13-5,545.97

Finding the Fourth Proportional to 10,261.69, 14,161.13 and 5,545.97

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Solution

The fourth proportional to 10,261.69, 14,161.13 and 5,545.97 is: 7,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.69 : 14,161.13 = 5,545.97 : x
  2. Step 2: Convert to fraction form
    10,261.69/14,161.13 = 5,545.97/x
  3. Step 3: Cross multiply
    10,261.69x = 14,161.13 × 5,545.97
  4. Step 4: Simplify right side
    10,261.69x = 78,537,202.15
  5. Step 5: Solve for x
    x = 78,537,202.15/10,261.69
  6. Step 6: Final answer
    x = 7,653.44

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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.