Home / 18,230.20-27,345.30-9,935.80

Finding the Fourth Proportional to 18,230.20, 27,345.30 and 9,935.80

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Solution

The fourth proportional to 18,230.20, 27,345.30 and 9,935.80 is: 14,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.20 : 27,345.30 = 9,935.80 : x
  2. Step 2: Convert to fraction form
    18,230.20/27,345.30 = 9,935.80/x
  3. Step 3: Cross multiply
    18,230.20x = 27,345.30 × 9,935.80
  4. Step 4: Simplify right side
    18,230.20x = 271,697,431.74
  5. Step 5: Solve for x
    x = 271,697,431.74/18,230.20
  6. Step 6: Final answer
    x = 14,903.70

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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.