Home / 15,477.74-21,468.56-15,067.58

Finding the Fourth Proportional to 15,477.74, 21,468.56 and 15,067.58

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Solution

The fourth proportional to 15,477.74, 21,468.56 and 15,067.58 is: 20,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.74 : 21,468.56 = 15,067.58 : x
  2. Step 2: Convert to fraction form
    15,477.74/21,468.56 = 15,067.58/x
  3. Step 3: Cross multiply
    15,477.74x = 21,468.56 × 15,067.58
  4. Step 4: Simplify right side
    15,477.74x = 323,479,062.60
  5. Step 5: Solve for x
    x = 323,479,062.60/15,477.74
  6. Step 6: Final answer
    x = 20,899.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.