Home / 10,988.22-15,163.34-6,272.30

Finding the Fourth Proportional to 10,988.22, 15,163.34 and 6,272.30

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Solution

The fourth proportional to 10,988.22, 15,163.34 and 6,272.30 is: 8,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.22 : 15,163.34 = 6,272.30 : x
  2. Step 2: Convert to fraction form
    10,988.22/15,163.34 = 6,272.30/x
  3. Step 3: Cross multiply
    10,988.22x = 15,163.34 × 6,272.30
  4. Step 4: Simplify right side
    10,988.22x = 95,109,017.48
  5. Step 5: Solve for x
    x = 95,109,017.48/10,988.22
  6. Step 6: Final answer
    x = 8,655.54

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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.