Home / 11,338.48-17,001.48-4,219.12

Finding the Fourth Proportional to 11,338.48, 17,001.48 and 4,219.12

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Solution

The fourth proportional to 11,338.48, 17,001.48 and 4,219.12 is: 6,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.48 : 17,001.48 = 4,219.12 : x
  2. Step 2: Convert to fraction form
    11,338.48/17,001.48 = 4,219.12/x
  3. Step 3: Cross multiply
    11,338.48x = 17,001.48 × 4,219.12
  4. Step 4: Simplify right side
    11,338.48x = 71,731,284.30
  5. Step 5: Solve for x
    x = 71,731,284.30/11,338.48
  6. Step 6: Final answer
    x = 6,326.36

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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.