Home / 11,110.88-15,331.46-6,394.26

Finding the Fourth Proportional to 11,110.88, 15,331.46 and 6,394.26

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Solution

The fourth proportional to 11,110.88, 15,331.46 and 6,394.26 is: 8,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.88 : 15,331.46 = 6,394.26 : x
  2. Step 2: Convert to fraction form
    11,110.88/15,331.46 = 6,394.26/x
  3. Step 3: Cross multiply
    11,110.88x = 15,331.46 × 6,394.26
  4. Step 4: Simplify right side
    11,110.88x = 98,033,341.42
  5. Step 5: Solve for x
    x = 98,033,341.42/11,110.88
  6. Step 6: Final answer
    x = 8,823.18

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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.