Home / 18,188.87-27,297.89-9,426.29

Finding the Fourth Proportional to 18,188.87, 27,297.89 and 9,426.29

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Solution

The fourth proportional to 18,188.87, 27,297.89 and 9,426.29 is: 14,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.87 : 27,297.89 = 9,426.29 : x
  2. Step 2: Convert to fraction form
    18,188.87/27,297.89 = 9,426.29/x
  3. Step 3: Cross multiply
    18,188.87x = 27,297.89 × 9,426.29
  4. Step 4: Simplify right side
    18,188.87x = 257,317,780.40
  5. Step 5: Solve for x
    x = 257,317,780.40/18,188.87
  6. Step 6: Final answer
    x = 14,146.99

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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.