Home / 15,618.06-21,552.48-8,544.42

Finding the Fourth Proportional to 15,618.06, 21,552.48 and 8,544.42

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Solution

The fourth proportional to 15,618.06, 21,552.48 and 8,544.42 is: 11,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.06 : 21,552.48 = 8,544.42 : x
  2. Step 2: Convert to fraction form
    15,618.06/21,552.48 = 8,544.42/x
  3. Step 3: Cross multiply
    15,618.06x = 21,552.48 × 8,544.42
  4. Step 4: Simplify right side
    15,618.06x = 184,153,441.16
  5. Step 5: Solve for x
    x = 184,153,441.16/15,618.06
  6. Step 6: Final answer
    x = 11,791.06

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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.