Home / 11,753.56-17,630.37-2,989.18

Finding the Fourth Proportional to 11,753.56, 17,630.37 and 2,989.18

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Solution

The fourth proportional to 11,753.56, 17,630.37 and 2,989.18 is: 4,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.56 : 17,630.37 = 2,989.18 : x
  2. Step 2: Convert to fraction form
    11,753.56/17,630.37 = 2,989.18/x
  3. Step 3: Cross multiply
    11,753.56x = 17,630.37 × 2,989.18
  4. Step 4: Simplify right side
    11,753.56x = 52,700,349.40
  5. Step 5: Solve for x
    x = 52,700,349.40/11,753.56
  6. Step 6: Final answer
    x = 4,483.78

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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.