Home / 9,217.26-13,808.88-7,139.61

Finding the Fourth Proportional to 9,217.26, 13,808.88 and 7,139.61

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Solution

The fourth proportional to 9,217.26, 13,808.88 and 7,139.61 is: 10,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.26 : 13,808.88 = 7,139.61 : x
  2. Step 2: Convert to fraction form
    9,217.26/13,808.88 = 7,139.61/x
  3. Step 3: Cross multiply
    9,217.26x = 13,808.88 × 7,139.61
  4. Step 4: Simplify right side
    9,217.26x = 98,590,017.74
  5. Step 5: Solve for x
    x = 98,590,017.74/9,217.26
  6. Step 6: Final answer
    x = 10,696.24

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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.