Home / 15,617.62-21,552.38-8,544.43

Finding the Fourth Proportional to 15,617.62, 21,552.38 and 8,544.43

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Solution

The fourth proportional to 15,617.62, 21,552.38 and 8,544.43 is: 11,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.62 : 21,552.38 = 8,544.43 : x
  2. Step 2: Convert to fraction form
    15,617.62/21,552.38 = 8,544.43/x
  3. Step 3: Cross multiply
    15,617.62x = 21,552.38 × 8,544.43
  4. Step 4: Simplify right side
    15,617.62x = 184,152,802.24
  5. Step 5: Solve for x
    x = 184,152,802.24/15,617.62
  6. Step 6: Final answer
    x = 11,791.35

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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.