Home / 9,558.21-13,189.86-5,579.49

Finding the Fourth Proportional to 9,558.21, 13,189.86 and 5,579.49

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Solution

The fourth proportional to 9,558.21, 13,189.86 and 5,579.49 is: 7,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.21 : 13,189.86 = 5,579.49 : x
  2. Step 2: Convert to fraction form
    9,558.21/13,189.86 = 5,579.49/x
  3. Step 3: Cross multiply
    9,558.21x = 13,189.86 × 5,579.49
  4. Step 4: Simplify right side
    9,558.21x = 73,592,691.97
  5. Step 5: Solve for x
    x = 73,592,691.97/9,558.21
  6. Step 6: Final answer
    x = 7,699.42

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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.