Home / 9,967.38-13,755.36-5,491.32

Finding the Fourth Proportional to 9,967.38, 13,755.36 and 5,491.32

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Solution

The fourth proportional to 9,967.38, 13,755.36 and 5,491.32 is: 7,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967.38 : 13,755.36 = 5,491.32 : x
  2. Step 2: Convert to fraction form
    9,967.38/13,755.36 = 5,491.32/x
  3. Step 3: Cross multiply
    9,967.38x = 13,755.36 × 5,491.32
  4. Step 4: Simplify right side
    9,967.38x = 75,535,083.48
  5. Step 5: Solve for x
    x = 75,535,083.48/9,967.38
  6. Step 6: Final answer
    x = 7,578.23

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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.