Home / 15,764.24-21,596.92-15,173.36

Finding the Fourth Proportional to 15,764.24, 21,596.92 and 15,173.36

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Solution

The fourth proportional to 15,764.24, 21,596.92 and 15,173.36 is: 20,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764.24 : 21,596.92 = 15,173.36 : x
  2. Step 2: Convert to fraction form
    15,764.24/21,596.92 = 15,173.36/x
  3. Step 3: Cross multiply
    15,764.24x = 21,596.92 × 15,173.36
  4. Step 4: Simplify right side
    15,764.24x = 327,697,842.05
  5. Step 5: Solve for x
    x = 327,697,842.05/15,764.24
  6. Step 6: Final answer
    x = 20,787.42

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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.