Home / 15,396.05-21,244.97-11,365.02

Finding the Fourth Proportional to 15,396.05, 21,244.97 and 11,365.02

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Solution

The fourth proportional to 15,396.05, 21,244.97 and 11,365.02 is: 15,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396.05 : 21,244.97 = 11,365.02 : x
  2. Step 2: Convert to fraction form
    15,396.05/21,244.97 = 11,365.02/x
  3. Step 3: Cross multiply
    15,396.05x = 21,244.97 × 11,365.02
  4. Step 4: Simplify right side
    15,396.05x = 241,449,582.52
  5. Step 5: Solve for x
    x = 241,449,582.52/15,396.05
  6. Step 6: Final answer
    x = 15,682.56

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Double scale
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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.