Home / 9,110.36-13,639.26-5,350.74

Finding the Fourth Proportional to 9,110.36, 13,639.26 and 5,350.74

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Solution

The fourth proportional to 9,110.36, 13,639.26 and 5,350.74 is: 8,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.36 : 13,639.26 = 5,350.74 : x
  2. Step 2: Convert to fraction form
    9,110.36/13,639.26 = 5,350.74/x
  3. Step 3: Cross multiply
    9,110.36x = 13,639.26 × 5,350.74
  4. Step 4: Simplify right side
    9,110.36x = 72,980,134.05
  5. Step 5: Solve for x
    x = 72,980,134.05/9,110.36
  6. Step 6: Final answer
    x = 8,010.68

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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.