Home / 18,129.10-27,194.31-4,982.50

Finding the Fourth Proportional to 18,129.10, 27,194.31 and 4,982.50

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Solution

The fourth proportional to 18,129.10, 27,194.31 and 4,982.50 is: 7,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.10 : 27,194.31 = 4,982.50 : x
  2. Step 2: Convert to fraction form
    18,129.10/27,194.31 = 4,982.50/x
  3. Step 3: Cross multiply
    18,129.10x = 27,194.31 × 4,982.50
  4. Step 4: Simplify right side
    18,129.10x = 135,495,649.58
  5. Step 5: Solve for x
    x = 135,495,649.58/18,129.10
  6. Step 6: Final answer
    x = 7,473.93

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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.