Home / 11,520.08-17,257.96-7,064.74

Finding the Fourth Proportional to 11,520.08, 17,257.96 and 7,064.74

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Solution

The fourth proportional to 11,520.08, 17,257.96 and 7,064.74 is: 10,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.08 : 17,257.96 = 7,064.74 : x
  2. Step 2: Convert to fraction form
    11,520.08/17,257.96 = 7,064.74/x
  3. Step 3: Cross multiply
    11,520.08x = 17,257.96 × 7,064.74
  4. Step 4: Simplify right side
    11,520.08x = 121,923,000.33
  5. Step 5: Solve for x
    x = 121,923,000.33/11,520.08
  6. Step 6: Final answer
    x = 10,583.52

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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.