Home / 9,143.06-13,714.59-2,217.50

Finding the Fourth Proportional to 9,143.06, 13,714.59 and 2,217.50

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Solution

The fourth proportional to 9,143.06, 13,714.59 and 2,217.50 is: 3,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.06 : 13,714.59 = 2,217.50 : x
  2. Step 2: Convert to fraction form
    9,143.06/13,714.59 = 2,217.50/x
  3. Step 3: Cross multiply
    9,143.06x = 13,714.59 × 2,217.50
  4. Step 4: Simplify right side
    9,143.06x = 30,412,103.33
  5. Step 5: Solve for x
    x = 30,412,103.33/9,143.06
  6. Step 6: Final answer
    x = 3,326.25

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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.