Home / 18,113.40-27,171.31-6,268.36

Finding the Fourth Proportional to 18,113.40, 27,171.31 and 6,268.36

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Solution

The fourth proportional to 18,113.40, 27,171.31 and 6,268.36 is: 9,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.40 : 27,171.31 = 6,268.36 : x
  2. Step 2: Convert to fraction form
    18,113.40/27,171.31 = 6,268.36/x
  3. Step 3: Cross multiply
    18,113.40x = 27,171.31 × 6,268.36
  4. Step 4: Simplify right side
    18,113.40x = 170,319,552.75
  5. Step 5: Solve for x
    x = 170,319,552.75/18,113.40
  6. Step 6: Final answer
    x = 9,402.96

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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.