Home / 11,850.40-17,752.20-7,693.30

Finding the Fourth Proportional to 11,850.40, 17,752.20 and 7,693.30

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Solution

The fourth proportional to 11,850.40, 17,752.20 and 7,693.30 is: 11,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.40 : 17,752.20 = 7,693.30 : x
  2. Step 2: Convert to fraction form
    11,850.40/17,752.20 = 7,693.30/x
  3. Step 3: Cross multiply
    11,850.40x = 17,752.20 × 7,693.30
  4. Step 4: Simplify right side
    11,850.40x = 136,573,000.26
  5. Step 5: Solve for x
    x = 136,573,000.26/11,850.40
  6. Step 6: Final answer
    x = 11,524.76

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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.