Home / 17,678.62-24,396.57-9,720.66

Finding the Fourth Proportional to 17,678.62, 24,396.57 and 9,720.66

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Solution

The fourth proportional to 17,678.62, 24,396.57 and 9,720.66 is: 13,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.62 : 24,396.57 = 9,720.66 : x
  2. Step 2: Convert to fraction form
    17,678.62/24,396.57 = 9,720.66/x
  3. Step 3: Cross multiply
    17,678.62x = 24,396.57 × 9,720.66
  4. Step 4: Simplify right side
    17,678.62x = 237,150,762.14
  5. Step 5: Solve for x
    x = 237,150,762.14/17,678.62
  6. Step 6: Final answer
    x = 13,414.55

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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.