Home / 10,987.92-15,163.38-6,208.07

Finding the Fourth Proportional to 10,987.92, 15,163.38 and 6,208.07

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Solution

The fourth proportional to 10,987.92, 15,163.38 and 6,208.07 is: 8,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.92 : 15,163.38 = 6,208.07 : x
  2. Step 2: Convert to fraction form
    10,987.92/15,163.38 = 6,208.07/x
  3. Step 3: Cross multiply
    10,987.92x = 15,163.38 × 6,208.07
  4. Step 4: Simplify right side
    10,987.92x = 94,135,248.66
  5. Step 5: Solve for x
    x = 94,135,248.66/10,987.92
  6. Step 6: Final answer
    x = 8,567.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.