Home / 11,065.91-15,270.36-6,349.88

Finding the Fourth Proportional to 11,065.91, 15,270.36 and 6,349.88

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Solution

The fourth proportional to 11,065.91, 15,270.36 and 6,349.88 is: 8,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.91 : 15,270.36 = 6,349.88 : x
  2. Step 2: Convert to fraction form
    11,065.91/15,270.36 = 6,349.88/x
  3. Step 3: Cross multiply
    11,065.91x = 15,270.36 × 6,349.88
  4. Step 4: Simplify right side
    11,065.91x = 96,964,877.21
  5. Step 5: Solve for x
    x = 96,964,877.21/11,065.91
  6. Step 6: Final answer
    x = 8,762.49

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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.