Home / 11,378.31-17,066.62-5,055.18

Finding the Fourth Proportional to 11,378.31, 17,066.62 and 5,055.18

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Solution

The fourth proportional to 11,378.31, 17,066.62 and 5,055.18 is: 7,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.31 : 17,066.62 = 5,055.18 : x
  2. Step 2: Convert to fraction form
    11,378.31/17,066.62 = 5,055.18/x
  3. Step 3: Cross multiply
    11,378.31x = 17,066.62 × 5,055.18
  4. Step 4: Simplify right side
    11,378.31x = 86,274,836.09
  5. Step 5: Solve for x
    x = 86,274,836.09/11,378.31
  6. Step 6: Final answer
    x = 7,582.39

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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.