Home / 11,754.30-17,630.58-5,515.72

Finding the Fourth Proportional to 11,754.30, 17,630.58 and 5,515.72

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Solution

The fourth proportional to 11,754.30, 17,630.58 and 5,515.72 is: 8,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.30 : 17,630.58 = 5,515.72 : x
  2. Step 2: Convert to fraction form
    11,754.30/17,630.58 = 5,515.72/x
  3. Step 3: Cross multiply
    11,754.30x = 17,630.58 × 5,515.72
  4. Step 4: Simplify right side
    11,754.30x = 97,245,342.72
  5. Step 5: Solve for x
    x = 97,245,342.72/11,754.30
  6. Step 6: Final answer
    x = 8,273.17

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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.