Home / 18,187.10-27,268.50-14,681.42

Finding the Fourth Proportional to 18,187.10, 27,268.50 and 14,681.42

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Solution

The fourth proportional to 18,187.10, 27,268.50 and 14,681.42 is: 22,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.10 : 27,268.50 = 14,681.42 : x
  2. Step 2: Convert to fraction form
    18,187.10/27,268.50 = 14,681.42/x
  3. Step 3: Cross multiply
    18,187.10x = 27,268.50 × 14,681.42
  4. Step 4: Simplify right side
    18,187.10x = 400,340,301.27
  5. Step 5: Solve for x
    x = 400,340,301.27/18,187.10
  6. Step 6: Final answer
    x = 22,012.32

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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.