Home / 13,337.67-20,019.06-6,768.57

Finding the Fourth Proportional to 13,337.67, 20,019.06 and 6,768.57

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Solution

The fourth proportional to 13,337.67, 20,019.06 and 6,768.57 is: 10,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.67 : 20,019.06 = 6,768.57 : x
  2. Step 2: Convert to fraction form
    13,337.67/20,019.06 = 6,768.57/x
  3. Step 3: Cross multiply
    13,337.67x = 20,019.06 × 6,768.57
  4. Step 4: Simplify right side
    13,337.67x = 135,500,408.94
  5. Step 5: Solve for x
    x = 135,500,408.94/13,337.67
  6. Step 6: Final answer
    x = 10,159.23

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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.