Home / 11,378.77-17,068.19-6,217.45

Finding the Fourth Proportional to 11,378.77, 17,068.19 and 6,217.45

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Solution

The fourth proportional to 11,378.77, 17,068.19 and 6,217.45 is: 9,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.77 : 17,068.19 = 6,217.45 : x
  2. Step 2: Convert to fraction form
    11,378.77/17,068.19 = 6,217.45/x
  3. Step 3: Cross multiply
    11,378.77x = 17,068.19 × 6,217.45
  4. Step 4: Simplify right side
    11,378.77x = 106,120,544.16
  5. Step 5: Solve for x
    x = 106,120,544.16/11,378.77
  6. Step 6: Final answer
    x = 9,326.19

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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.