Home / 11,565.62-17,345.28-3,245.12

Finding the Fourth Proportional to 11,565.62, 17,345.28 and 3,245.12

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Solution

The fourth proportional to 11,565.62, 17,345.28 and 3,245.12 is: 4,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.62 : 17,345.28 = 3,245.12 : x
  2. Step 2: Convert to fraction form
    11,565.62/17,345.28 = 3,245.12/x
  3. Step 3: Cross multiply
    11,565.62x = 17,345.28 × 3,245.12
  4. Step 4: Simplify right side
    11,565.62x = 56,287,515.03
  5. Step 5: Solve for x
    x = 56,287,515.03/11,565.62
  6. Step 6: Final answer
    x = 4,866.80

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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.