Home / 9,969.02-14,930.85-7,729.90

Finding the Fourth Proportional to 9,969.02, 14,930.85 and 7,729.90

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Solution

The fourth proportional to 9,969.02, 14,930.85 and 7,729.90 is: 11,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.02 : 14,930.85 = 7,729.90 : x
  2. Step 2: Convert to fraction form
    9,969.02/14,930.85 = 7,729.90/x
  3. Step 3: Cross multiply
    9,969.02x = 14,930.85 × 7,729.90
  4. Step 4: Simplify right side
    9,969.02x = 115,414,053.06
  5. Step 5: Solve for x
    x = 115,414,053.06/9,969.02
  6. Step 6: Final answer
    x = 11,577.28

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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.