Home / 9,581.20-14,382.60-7,399.60

Finding the Fourth Proportional to 9,581.20, 14,382.60 and 7,399.60

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Solution

The fourth proportional to 9,581.20, 14,382.60 and 7,399.60 is: 11,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.20 : 14,382.60 = 7,399.60 : x
  2. Step 2: Convert to fraction form
    9,581.20/14,382.60 = 7,399.60/x
  3. Step 3: Cross multiply
    9,581.20x = 14,382.60 × 7,399.60
  4. Step 4: Simplify right side
    9,581.20x = 106,425,486.96
  5. Step 5: Solve for x
    x = 106,425,486.96/9,581.20
  6. Step 6: Final answer
    x = 11,107.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.