Home / 11,378.74-17,039.61-7,206.16

Finding the Fourth Proportional to 11,378.74, 17,039.61 and 7,206.16

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Solution

The fourth proportional to 11,378.74, 17,039.61 and 7,206.16 is: 10,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.74 : 17,039.61 = 7,206.16 : x
  2. Step 2: Convert to fraction form
    11,378.74/17,039.61 = 7,206.16/x
  3. Step 3: Cross multiply
    11,378.74x = 17,039.61 × 7,206.16
  4. Step 4: Simplify right side
    11,378.74x = 122,790,156.00
  5. Step 5: Solve for x
    x = 122,790,156.00/11,378.74
  6. Step 6: Final answer
    x = 10,791.19

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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.