Home / 18,341.18-27,511.40-4,490.18

Finding the Fourth Proportional to 18,341.18, 27,511.40 and 4,490.18

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Solution

The fourth proportional to 18,341.18, 27,511.40 and 4,490.18 is: 6,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.18 : 27,511.40 = 4,490.18 : x
  2. Step 2: Convert to fraction form
    18,341.18/27,511.40 = 4,490.18/x
  3. Step 3: Cross multiply
    18,341.18x = 27,511.40 × 4,490.18
  4. Step 4: Simplify right side
    18,341.18x = 123,531,138.05
  5. Step 5: Solve for x
    x = 123,531,138.05/18,341.18
  6. Step 6: Final answer
    x = 6,735.18

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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.