Home / 11,339.16-17,019.90-7,446.36

Finding the Fourth Proportional to 11,339.16, 17,019.90 and 7,446.36

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Solution

The fourth proportional to 11,339.16, 17,019.90 and 7,446.36 is: 11,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.16 : 17,019.90 = 7,446.36 : x
  2. Step 2: Convert to fraction form
    11,339.16/17,019.90 = 7,446.36/x
  3. Step 3: Cross multiply
    11,339.16x = 17,019.90 × 7,446.36
  4. Step 4: Simplify right side
    11,339.16x = 126,736,302.56
  5. Step 5: Solve for x
    x = 126,736,302.56/11,339.16
  6. Step 6: Final answer
    x = 11,176.87

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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.