Home / 18,411.18-27,620.01-6,740.70

Finding the Fourth Proportional to 18,411.18, 27,620.01 and 6,740.70

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Solution

The fourth proportional to 18,411.18, 27,620.01 and 6,740.70 is: 10,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.18 : 27,620.01 = 6,740.70 : x
  2. Step 2: Convert to fraction form
    18,411.18/27,620.01 = 6,740.70/x
  3. Step 3: Cross multiply
    18,411.18x = 27,620.01 × 6,740.70
  4. Step 4: Simplify right side
    18,411.18x = 186,178,201.41
  5. Step 5: Solve for x
    x = 186,178,201.41/18,411.18
  6. Step 6: Final answer
    x = 10,112.24

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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.