Home / 11,326.68-16,987.05-5,083.20

Finding the Fourth Proportional to 11,326.68, 16,987.05 and 5,083.20

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Solution

The fourth proportional to 11,326.68, 16,987.05 and 5,083.20 is: 7,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.68 : 16,987.05 = 5,083.20 : x
  2. Step 2: Convert to fraction form
    11,326.68/16,987.05 = 5,083.20/x
  3. Step 3: Cross multiply
    11,326.68x = 16,987.05 × 5,083.20
  4. Step 4: Simplify right side
    11,326.68x = 86,348,572.56
  5. Step 5: Solve for x
    x = 86,348,572.56/11,326.68
  6. Step 6: Final answer
    x = 7,623.47

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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.