Home / 11,339.44-17,011.88-5,489.21

Finding the Fourth Proportional to 11,339.44, 17,011.88 and 5,489.21

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Solution

The fourth proportional to 11,339.44, 17,011.88 and 5,489.21 is: 8,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.44 : 17,011.88 = 5,489.21 : x
  2. Step 2: Convert to fraction form
    11,339.44/17,011.88 = 5,489.21/x
  3. Step 3: Cross multiply
    11,339.44x = 17,011.88 × 5,489.21
  4. Step 4: Simplify right side
    11,339.44x = 93,381,781.81
  5. Step 5: Solve for x
    x = 93,381,781.81/11,339.44
  6. Step 6: Final answer
    x = 8,235.13

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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.