Home / 13,786.93-20,667.57-5,019.85

Finding the Fourth Proportional to 13,786.93, 20,667.57 and 5,019.85

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Solution

The fourth proportional to 13,786.93, 20,667.57 and 5,019.85 is: 7,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.93 : 20,667.57 = 5,019.85 : x
  2. Step 2: Convert to fraction form
    13,786.93/20,667.57 = 5,019.85/x
  3. Step 3: Cross multiply
    13,786.93x = 20,667.57 × 5,019.85
  4. Step 4: Simplify right side
    13,786.93x = 103,748,101.26
  5. Step 5: Solve for x
    x = 103,748,101.26/13,786.93
  6. Step 6: Final answer
    x = 7,525.11

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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.