Home / 19,974.15-27,561.12-11,359.42

Finding the Fourth Proportional to 19,974.15, 27,561.12 and 11,359.42

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Solution

The fourth proportional to 19,974.15, 27,561.12 and 11,359.42 is: 15,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.15 : 27,561.12 = 11,359.42 : x
  2. Step 2: Convert to fraction form
    19,974.15/27,561.12 = 11,359.42/x
  3. Step 3: Cross multiply
    19,974.15x = 27,561.12 × 11,359.42
  4. Step 4: Simplify right side
    19,974.15x = 313,078,381.28
  5. Step 5: Solve for x
    x = 313,078,381.28/19,974.15
  6. Step 6: Final answer
    x = 15,674.18

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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.