Home / 13,763.72-20,645.55-13,062.51

Finding the Fourth Proportional to 13,763.72, 20,645.55 and 13,062.51

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Solution

The fourth proportional to 13,763.72, 20,645.55 and 13,062.51 is: 19,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.72 : 20,645.55 = 13,062.51 : x
  2. Step 2: Convert to fraction form
    13,763.72/20,645.55 = 13,062.51/x
  3. Step 3: Cross multiply
    13,763.72x = 20,645.55 × 13,062.51
  4. Step 4: Simplify right side
    13,763.72x = 269,682,703.33
  5. Step 5: Solve for x
    x = 269,682,703.33/13,763.72
  6. Step 6: Final answer
    x = 19,593.74

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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.