Home / 18,108.60-27,173.17-9,788.41

Finding the Fourth Proportional to 18,108.60, 27,173.17 and 9,788.41

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Solution

The fourth proportional to 18,108.60, 27,173.17 and 9,788.41 is: 14,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.60 : 27,173.17 = 9,788.41 : x
  2. Step 2: Convert to fraction form
    18,108.60/27,173.17 = 9,788.41/x
  3. Step 3: Cross multiply
    18,108.60x = 27,173.17 × 9,788.41
  4. Step 4: Simplify right side
    18,108.60x = 265,982,175.16
  5. Step 5: Solve for x
    x = 265,982,175.16/18,108.60
  6. Step 6: Final answer
    x = 14,688.17

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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.