Home / 17,891.07-26,831.40-7,217.43

Finding the Fourth Proportional to 17,891.07, 26,831.40 and 7,217.43

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Solution

The fourth proportional to 17,891.07, 26,831.40 and 7,217.43 is: 10,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.07 : 26,831.40 = 7,217.43 : x
  2. Step 2: Convert to fraction form
    17,891.07/26,831.40 = 7,217.43/x
  3. Step 3: Cross multiply
    17,891.07x = 26,831.40 × 7,217.43
  4. Step 4: Simplify right side
    17,891.07x = 193,653,751.30
  5. Step 5: Solve for x
    x = 193,653,751.30/17,891.07
  6. Step 6: Final answer
    x = 10,824.05

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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.