Home / 18,111.40-27,168.31-6,266.36

Finding the Fourth Proportional to 18,111.40, 27,168.31 and 6,266.36

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Solution

The fourth proportional to 18,111.40, 27,168.31 and 6,266.36 is: 9,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.40 : 27,168.31 = 6,266.36 : x
  2. Step 2: Convert to fraction form
    18,111.40/27,168.31 = 6,266.36/x
  3. Step 3: Cross multiply
    18,111.40x = 27,168.31 × 6,266.36
  4. Step 4: Simplify right side
    18,111.40x = 170,246,486.81
  5. Step 5: Solve for x
    x = 170,246,486.81/18,111.40
  6. Step 6: Final answer
    x = 9,399.96

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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.