Home / 18,624.54-27,955.17-13,680.30

Finding the Fourth Proportional to 18,624.54, 27,955.17 and 13,680.30

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Solution

The fourth proportional to 18,624.54, 27,955.17 and 13,680.30 is: 20,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.54 : 27,955.17 = 13,680.30 : x
  2. Step 2: Convert to fraction form
    18,624.54/27,955.17 = 13,680.30/x
  3. Step 3: Cross multiply
    18,624.54x = 27,955.17 × 13,680.30
  4. Step 4: Simplify right side
    18,624.54x = 382,435,112.15
  5. Step 5: Solve for x
    x = 382,435,112.15/18,624.54
  6. Step 6: Final answer
    x = 20,533.94

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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.