Home / 18,654.40-27,981.84-5,506.96

Finding the Fourth Proportional to 18,654.40, 27,981.84 and 5,506.96

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Solution

The fourth proportional to 18,654.40, 27,981.84 and 5,506.96 is: 8,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.40 : 27,981.84 = 5,506.96 : x
  2. Step 2: Convert to fraction form
    18,654.40/27,981.84 = 5,506.96/x
  3. Step 3: Cross multiply
    18,654.40x = 27,981.84 × 5,506.96
  4. Step 4: Simplify right side
    18,654.40x = 154,094,873.61
  5. Step 5: Solve for x
    x = 154,094,873.61/18,654.40
  6. Step 6: Final answer
    x = 8,260.51

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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.