Home / 9,103.91-12,563.39-5,327.80

Finding the Fourth Proportional to 9,103.91, 12,563.39 and 5,327.80

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Solution

The fourth proportional to 9,103.91, 12,563.39 and 5,327.80 is: 7,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.91 : 12,563.39 = 5,327.80 : x
  2. Step 2: Convert to fraction form
    9,103.91/12,563.39 = 5,327.80/x
  3. Step 3: Cross multiply
    9,103.91x = 12,563.39 × 5,327.80
  4. Step 4: Simplify right side
    9,103.91x = 66,935,171.19
  5. Step 5: Solve for x
    x = 66,935,171.19/9,103.91
  6. Step 6: Final answer
    x = 7,352.36

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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.