Home / 22,027.86-30,399-11,956.72

Finding the Fourth Proportional to 22,027.86, 30,399 and 11,956.72

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Solution

The fourth proportional to 22,027.86, 30,399 and 11,956.72 is: 16,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,027.86 : 30,399 = 11,956.72 : x
  2. Step 2: Convert to fraction form
    22,027.86/30,399 = 11,956.72/x
  3. Step 3: Cross multiply
    22,027.86x = 30,399 × 11,956.72
  4. Step 4: Simplify right side
    22,027.86x = 363,472,331.28
  5. Step 5: Solve for x
    x = 363,472,331.28/22,027.86
  6. Step 6: Final answer
    x = 16,500.57

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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.