Home / 10,988.44-16,485.66-3,969.28

Finding the Fourth Proportional to 10,988.44, 16,485.66 and 3,969.28

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Solution

The fourth proportional to 10,988.44, 16,485.66 and 3,969.28 is: 5,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.44 : 16,485.66 = 3,969.28 : x
  2. Step 2: Convert to fraction form
    10,988.44/16,485.66 = 3,969.28/x
  3. Step 3: Cross multiply
    10,988.44x = 16,485.66 × 3,969.28
  4. Step 4: Simplify right side
    10,988.44x = 65,436,200.52
  5. Step 5: Solve for x
    x = 65,436,200.52/10,988.44
  6. Step 6: Final answer
    x = 5,955.00

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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.