Home / 11,654.48-16,080.72-6,940.28

Finding the Fourth Proportional to 11,654.48, 16,080.72 and 6,940.28

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Solution

The fourth proportional to 11,654.48, 16,080.72 and 6,940.28 is: 9,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.48 : 16,080.72 = 6,940.28 : x
  2. Step 2: Convert to fraction form
    11,654.48/16,080.72 = 6,940.28/x
  3. Step 3: Cross multiply
    11,654.48x = 16,080.72 × 6,940.28
  4. Step 4: Simplify right side
    11,654.48x = 111,604,699.40
  5. Step 5: Solve for x
    x = 111,604,699.40/11,654.48
  6. Step 6: Final answer
    x = 9,576.12

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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.