Home / 9,319.96-13,958.34-5,614.09

Finding the Fourth Proportional to 9,319.96, 13,958.34 and 5,614.09

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Solution

The fourth proportional to 9,319.96, 13,958.34 and 5,614.09 is: 8,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.96 : 13,958.34 = 5,614.09 : x
  2. Step 2: Convert to fraction form
    9,319.96/13,958.34 = 5,614.09/x
  3. Step 3: Cross multiply
    9,319.96x = 13,958.34 × 5,614.09
  4. Step 4: Simplify right side
    9,319.96x = 78,363,377.01
  5. Step 5: Solve for x
    x = 78,363,377.01/9,319.96
  6. Step 6: Final answer
    x = 8,408.12

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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.