Home / 19,422.86-26,801.51-11,871.03

Finding the Fourth Proportional to 19,422.86, 26,801.51 and 11,871.03

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Solution

The fourth proportional to 19,422.86, 26,801.51 and 11,871.03 is: 16,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.86 : 26,801.51 = 11,871.03 : x
  2. Step 2: Convert to fraction form
    19,422.86/26,801.51 = 11,871.03/x
  3. Step 3: Cross multiply
    19,422.86x = 26,801.51 × 11,871.03
  4. Step 4: Simplify right side
    19,422.86x = 318,161,529.26
  5. Step 5: Solve for x
    x = 318,161,529.26/19,422.86
  6. Step 6: Final answer
    x = 16,380.78

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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.