Home / 11,623-17,424.77-5,387.48

Finding the Fourth Proportional to 11,623, 17,424.77 and 5,387.48

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Solution

The fourth proportional to 11,623, 17,424.77 and 5,387.48 is: 8,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623 : 17,424.77 = 5,387.48 : x
  2. Step 2: Convert to fraction form
    11,623/17,424.77 = 5,387.48/x
  3. Step 3: Cross multiply
    11,623x = 17,424.77 × 5,387.48
  4. Step 4: Simplify right side
    11,623x = 93,875,599.88
  5. Step 5: Solve for x
    x = 93,875,599.88/11,623
  6. Step 6: Final answer
    x = 8,076.71

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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.