Home / 9,249.62-13,904.50-7,420.74

Finding the Fourth Proportional to 9,249.62, 13,904.50 and 7,420.74

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Solution

The fourth proportional to 9,249.62, 13,904.50 and 7,420.74 is: 11,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.62 : 13,904.50 = 7,420.74 : x
  2. Step 2: Convert to fraction form
    9,249.62/13,904.50 = 7,420.74/x
  3. Step 3: Cross multiply
    9,249.62x = 13,904.50 × 7,420.74
  4. Step 4: Simplify right side
    9,249.62x = 103,181,679.33
  5. Step 5: Solve for x
    x = 103,181,679.33/9,249.62
  6. Step 6: Final answer
    x = 11,155.23

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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.