Home / 9,169.05-12,653.42-5,190.08

Finding the Fourth Proportional to 9,169.05, 12,653.42 and 5,190.08

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Solution

The fourth proportional to 9,169.05, 12,653.42 and 5,190.08 is: 7,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.05 : 12,653.42 = 5,190.08 : x
  2. Step 2: Convert to fraction form
    9,169.05/12,653.42 = 5,190.08/x
  3. Step 3: Cross multiply
    9,169.05x = 12,653.42 × 5,190.08
  4. Step 4: Simplify right side
    9,169.05x = 65,672,172.86
  5. Step 5: Solve for x
    x = 65,672,172.86/9,169.05
  6. Step 6: Final answer
    x = 7,162.37

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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.