Home / 11,169.62-15,403.78-7,589.93

Finding the Fourth Proportional to 11,169.62, 15,403.78 and 7,589.93

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Solution

The fourth proportional to 11,169.62, 15,403.78 and 7,589.93 is: 10,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.62 : 15,403.78 = 7,589.93 : x
  2. Step 2: Convert to fraction form
    11,169.62/15,403.78 = 7,589.93/x
  3. Step 3: Cross multiply
    11,169.62x = 15,403.78 × 7,589.93
  4. Step 4: Simplify right side
    11,169.62x = 116,913,631.47
  5. Step 5: Solve for x
    x = 116,913,631.47/11,169.62
  6. Step 6: Final answer
    x = 10,467.11

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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.