Home / 22,219.20-30,667.68-14,666.88

Finding the Fourth Proportional to 22,219.20, 30,667.68 and 14,666.88

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Solution

The fourth proportional to 22,219.20, 30,667.68 and 14,666.88 is: 20,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.20 : 30,667.68 = 14,666.88 : x
  2. Step 2: Convert to fraction form
    22,219.20/30,667.68 = 14,666.88/x
  3. Step 3: Cross multiply
    22,219.20x = 30,667.68 × 14,666.88
  4. Step 4: Simplify right side
    22,219.20x = 449,799,182.44
  5. Step 5: Solve for x
    x = 449,799,182.44/22,219.20
  6. Step 6: Final answer
    x = 20,243.72

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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.