Home / 19,923.72-27,476.40-13,114.84

Finding the Fourth Proportional to 19,923.72, 27,476.40 and 13,114.84

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Solution

The fourth proportional to 19,923.72, 27,476.40 and 13,114.84 is: 18,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.72 : 27,476.40 = 13,114.84 : x
  2. Step 2: Convert to fraction form
    19,923.72/27,476.40 = 13,114.84/x
  3. Step 3: Cross multiply
    19,923.72x = 27,476.40 × 13,114.84
  4. Step 4: Simplify right side
    19,923.72x = 360,348,589.78
  5. Step 5: Solve for x
    x = 360,348,589.78/19,923.72
  6. Step 6: Final answer
    x = 18,086.41

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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.