Home / 11,104.62-15,331.05-6,918.54

Finding the Fourth Proportional to 11,104.62, 15,331.05 and 6,918.54

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Solution

The fourth proportional to 11,104.62, 15,331.05 and 6,918.54 is: 9,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.62 : 15,331.05 = 6,918.54 : x
  2. Step 2: Convert to fraction form
    11,104.62/15,331.05 = 6,918.54/x
  3. Step 3: Cross multiply
    11,104.62x = 15,331.05 × 6,918.54
  4. Step 4: Simplify right side
    11,104.62x = 106,068,482.67
  5. Step 5: Solve for x
    x = 106,068,482.67/11,104.62
  6. Step 6: Final answer
    x = 9,551.74

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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.