Home / 9,439.71-13,025.36-5,190.94

Finding the Fourth Proportional to 9,439.71, 13,025.36 and 5,190.94

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Solution

The fourth proportional to 9,439.71, 13,025.36 and 5,190.94 is: 7,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.71 : 13,025.36 = 5,190.94 : x
  2. Step 2: Convert to fraction form
    9,439.71/13,025.36 = 5,190.94/x
  3. Step 3: Cross multiply
    9,439.71x = 13,025.36 × 5,190.94
  4. Step 4: Simplify right side
    9,439.71x = 67,613,836.28
  5. Step 5: Solve for x
    x = 67,613,836.28/9,439.71
  6. Step 6: Final answer
    x = 7,162.71

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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.