Home / 9,729.26-13,430.85-6,372.22

Finding the Fourth Proportional to 9,729.26, 13,430.85 and 6,372.22

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Solution

The fourth proportional to 9,729.26, 13,430.85 and 6,372.22 is: 8,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.26 : 13,430.85 = 6,372.22 : x
  2. Step 2: Convert to fraction form
    9,729.26/13,430.85 = 6,372.22/x
  3. Step 3: Cross multiply
    9,729.26x = 13,430.85 × 6,372.22
  4. Step 4: Simplify right side
    9,729.26x = 85,584,330.99
  5. Step 5: Solve for x
    x = 85,584,330.99/9,729.26
  6. Step 6: Final answer
    x = 8,796.59

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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.