Home / 18,056.12-27,084.74-4,908.78

Finding the Fourth Proportional to 18,056.12, 27,084.74 and 4,908.78

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Solution

The fourth proportional to 18,056.12, 27,084.74 and 4,908.78 is: 7,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.12 : 27,084.74 = 4,908.78 : x
  2. Step 2: Convert to fraction form
    18,056.12/27,084.74 = 4,908.78/x
  3. Step 3: Cross multiply
    18,056.12x = 27,084.74 × 4,908.78
  4. Step 4: Simplify right side
    18,056.12x = 132,953,005.47
  5. Step 5: Solve for x
    x = 132,953,005.47/18,056.12
  6. Step 6: Final answer
    x = 7,363.32

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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.