Home / 13,764.72-20,647.05-13,063.51

Finding the Fourth Proportional to 13,764.72, 20,647.05 and 13,063.51

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Solution

The fourth proportional to 13,764.72, 20,647.05 and 13,063.51 is: 19,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.72 : 20,647.05 = 13,063.51 : x
  2. Step 2: Convert to fraction form
    13,764.72/20,647.05 = 13,063.51/x
  3. Step 3: Cross multiply
    13,764.72x = 20,647.05 × 13,063.51
  4. Step 4: Simplify right side
    13,764.72x = 269,722,944.15
  5. Step 5: Solve for x
    x = 269,722,944.15/13,764.72
  6. Step 6: Final answer
    x = 19,595.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.