Home / 13,950.68-19,268.17-11,690.21

Finding the Fourth Proportional to 13,950.68, 19,268.17 and 11,690.21

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Solution

The fourth proportional to 13,950.68, 19,268.17 and 11,690.21 is: 16,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.68 : 19,268.17 = 11,690.21 : x
  2. Step 2: Convert to fraction form
    13,950.68/19,268.17 = 11,690.21/x
  3. Step 3: Cross multiply
    13,950.68x = 19,268.17 × 11,690.21
  4. Step 4: Simplify right side
    13,950.68x = 225,248,953.62
  5. Step 5: Solve for x
    x = 225,248,953.62/13,950.68
  6. Step 6: Final answer
    x = 16,146.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.