Home / 10,988.98-15,163.14-6,272.62

Finding the Fourth Proportional to 10,988.98, 15,163.14 and 6,272.62

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Solution

The fourth proportional to 10,988.98, 15,163.14 and 6,272.62 is: 8,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.98 : 15,163.14 = 6,272.62 : x
  2. Step 2: Convert to fraction form
    10,988.98/15,163.14 = 6,272.62/x
  3. Step 3: Cross multiply
    10,988.98x = 15,163.14 × 6,272.62
  4. Step 4: Simplify right side
    10,988.98x = 95,112,615.23
  5. Step 5: Solve for x
    x = 95,112,615.23/10,988.98
  6. Step 6: Final answer
    x = 8,655.27

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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.