Home / 11,389.26-15,717.20-6,353.35

Finding the Fourth Proportional to 11,389.26, 15,717.20 and 6,353.35

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Solution

The fourth proportional to 11,389.26, 15,717.20 and 6,353.35 is: 8,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.26 : 15,717.20 = 6,353.35 : x
  2. Step 2: Convert to fraction form
    11,389.26/15,717.20 = 6,353.35/x
  3. Step 3: Cross multiply
    11,389.26x = 15,717.20 × 6,353.35
  4. Step 4: Simplify right side
    11,389.26x = 99,856,872.62
  5. Step 5: Solve for x
    x = 99,856,872.62/11,389.26
  6. Step 6: Final answer
    x = 8,767.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.