Home / 9,442.97-13,008.78-6,605.03

Finding the Fourth Proportional to 9,442.97, 13,008.78 and 6,605.03

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Solution

The fourth proportional to 9,442.97, 13,008.78 and 6,605.03 is: 9,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.97 : 13,008.78 = 6,605.03 : x
  2. Step 2: Convert to fraction form
    9,442.97/13,008.78 = 6,605.03/x
  3. Step 3: Cross multiply
    9,442.97x = 13,008.78 × 6,605.03
  4. Step 4: Simplify right side
    9,442.97x = 85,923,317.12
  5. Step 5: Solve for x
    x = 85,923,317.12/9,442.97
  6. Step 6: Final answer
    x = 9,099.19

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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.