Home / 15,774.32-21,610.58-15,183.44

Finding the Fourth Proportional to 15,774.32, 21,610.58 and 15,183.44

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Solution

The fourth proportional to 15,774.32, 21,610.58 and 15,183.44 is: 20,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.32 : 21,610.58 = 15,183.44 : x
  2. Step 2: Convert to fraction form
    15,774.32/21,610.58 = 15,183.44/x
  3. Step 3: Cross multiply
    15,774.32x = 21,610.58 × 15,183.44
  4. Step 4: Simplify right side
    15,774.32x = 328,122,944.80
  5. Step 5: Solve for x
    x = 328,122,944.80/15,774.32
  6. Step 6: Final answer
    x = 20,801.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.