Home / 10,220.69-14,104.92-6,243.59

Finding the Fourth Proportional to 10,220.69, 14,104.92 and 6,243.59

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Solution

The fourth proportional to 10,220.69, 14,104.92 and 6,243.59 is: 8,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.69 : 14,104.92 = 6,243.59 : x
  2. Step 2: Convert to fraction form
    10,220.69/14,104.92 = 6,243.59/x
  3. Step 3: Cross multiply
    10,220.69x = 14,104.92 × 6,243.59
  4. Step 4: Simplify right side
    10,220.69x = 88,065,266.94
  5. Step 5: Solve for x
    x = 88,065,266.94/10,220.69
  6. Step 6: Final answer
    x = 8,616.38

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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.