Home / 9,885.23-13,641.60-5,408.97

Finding the Fourth Proportional to 9,885.23, 13,641.60 and 5,408.97

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Solution

The fourth proportional to 9,885.23, 13,641.60 and 5,408.97 is: 7,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.23 : 13,641.60 = 5,408.97 : x
  2. Step 2: Convert to fraction form
    9,885.23/13,641.60 = 5,408.97/x
  3. Step 3: Cross multiply
    9,885.23x = 13,641.60 × 5,408.97
  4. Step 4: Simplify right side
    9,885.23x = 73,786,982.22
  5. Step 5: Solve for x
    x = 73,786,982.22/9,885.23
  6. Step 6: Final answer
    x = 7,464.37

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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.