Home / 9,543.42-13,169.97-5,351.67

Finding the Fourth Proportional to 9,543.42, 13,169.97 and 5,351.67

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Solution

The fourth proportional to 9,543.42, 13,169.97 and 5,351.67 is: 7,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.42 : 13,169.97 = 5,351.67 : x
  2. Step 2: Convert to fraction form
    9,543.42/13,169.97 = 5,351.67/x
  3. Step 3: Cross multiply
    9,543.42x = 13,169.97 × 5,351.67
  4. Step 4: Simplify right side
    9,543.42x = 70,481,333.35
  5. Step 5: Solve for x
    x = 70,481,333.35/9,543.42
  6. Step 6: Final answer
    x = 7,385.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.