Home / 11,388.40-17,080.54-3,066.49

Finding the Fourth Proportional to 11,388.40, 17,080.54 and 3,066.49

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Solution

The fourth proportional to 11,388.40, 17,080.54 and 3,066.49 is: 4,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.40 : 17,080.54 = 3,066.49 : x
  2. Step 2: Convert to fraction form
    11,388.40/17,080.54 = 3,066.49/x
  3. Step 3: Cross multiply
    11,388.40x = 17,080.54 × 3,066.49
  4. Step 4: Simplify right side
    11,388.40x = 52,377,318.79
  5. Step 5: Solve for x
    x = 52,377,318.79/11,388.40
  6. Step 6: Final answer
    x = 4,599.18

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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.