Home / 11,388.09-17,088.27-5,458.60

Finding the Fourth Proportional to 11,388.09, 17,088.27 and 5,458.60

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Solution

The fourth proportional to 11,388.09, 17,088.27 and 5,458.60 is: 8,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.09 : 17,088.27 = 5,458.60 : x
  2. Step 2: Convert to fraction form
    11,388.09/17,088.27 = 5,458.60/x
  3. Step 3: Cross multiply
    11,388.09x = 17,088.27 × 5,458.60
  4. Step 4: Simplify right side
    11,388.09x = 93,278,030.62
  5. Step 5: Solve for x
    x = 93,278,030.62/11,388.09
  6. Step 6: Final answer
    x = 8,190.84

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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.