Home / 10,906.11-15,051.69-6,191.28

Finding the Fourth Proportional to 10,906.11, 15,051.69 and 6,191.28

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Solution

The fourth proportional to 10,906.11, 15,051.69 and 6,191.28 is: 8,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.11 : 15,051.69 = 6,191.28 : x
  2. Step 2: Convert to fraction form
    10,906.11/15,051.69 = 6,191.28/x
  3. Step 3: Cross multiply
    10,906.11x = 15,051.69 × 6,191.28
  4. Step 4: Simplify right side
    10,906.11x = 93,189,227.26
  5. Step 5: Solve for x
    x = 93,189,227.26/10,906.11
  6. Step 6: Final answer
    x = 8,544.68

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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.