Home / 10,109.13-13,945.13-6,331.50

Finding the Fourth Proportional to 10,109.13, 13,945.13 and 6,331.50

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Solution

The fourth proportional to 10,109.13, 13,945.13 and 6,331.50 is: 8,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.13 : 13,945.13 = 6,331.50 : x
  2. Step 2: Convert to fraction form
    10,109.13/13,945.13 = 6,331.50/x
  3. Step 3: Cross multiply
    10,109.13x = 13,945.13 × 6,331.50
  4. Step 4: Simplify right side
    10,109.13x = 88,293,558.94
  5. Step 5: Solve for x
    x = 88,293,558.94/10,109.13
  6. Step 6: Final answer
    x = 8,734.04

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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.