Home / 9,943.04-13,721.52-5,467.28

Finding the Fourth Proportional to 9,943.04, 13,721.52 and 5,467.28

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Solution

The fourth proportional to 9,943.04, 13,721.52 and 5,467.28 is: 7,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.04 : 13,721.52 = 5,467.28 : x
  2. Step 2: Convert to fraction form
    9,943.04/13,721.52 = 5,467.28/x
  3. Step 3: Cross multiply
    9,943.04x = 13,721.52 × 5,467.28
  4. Step 4: Simplify right side
    9,943.04x = 75,019,391.87
  5. Step 5: Solve for x
    x = 75,019,391.87/9,943.04
  6. Step 6: Final answer
    x = 7,544.92

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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.