Home / 11,128.14-16,695.70-6,962.41

Finding the Fourth Proportional to 11,128.14, 16,695.70 and 6,962.41

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Solution

The fourth proportional to 11,128.14, 16,695.70 and 6,962.41 is: 10,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.14 : 16,695.70 = 6,962.41 : x
  2. Step 2: Convert to fraction form
    11,128.14/16,695.70 = 6,962.41/x
  3. Step 3: Cross multiply
    11,128.14x = 16,695.70 × 6,962.41
  4. Step 4: Simplify right side
    11,128.14x = 116,242,308.64
  5. Step 5: Solve for x
    x = 116,242,308.64/11,128.14
  6. Step 6: Final answer
    x = 10,445.80

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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.