Home / 11,118.97-15,341.59-6,644.17

Finding the Fourth Proportional to 11,118.97, 15,341.59 and 6,644.17

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Solution

The fourth proportional to 11,118.97, 15,341.59 and 6,644.17 is: 9,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.97 : 15,341.59 = 6,644.17 : x
  2. Step 2: Convert to fraction form
    11,118.97/15,341.59 = 6,644.17/x
  3. Step 3: Cross multiply
    11,118.97x = 15,341.59 × 6,644.17
  4. Step 4: Simplify right side
    11,118.97x = 101,932,132.03
  5. Step 5: Solve for x
    x = 101,932,132.03/11,118.97
  6. Step 6: Final answer
    x = 9,167.41

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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.