Home / 14,220.28-19,627.50-8,635.96

Finding the Fourth Proportional to 14,220.28, 19,627.50 and 8,635.96

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Solution

The fourth proportional to 14,220.28, 19,627.50 and 8,635.96 is: 11,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.28 : 19,627.50 = 8,635.96 : x
  2. Step 2: Convert to fraction form
    14,220.28/19,627.50 = 8,635.96/x
  3. Step 3: Cross multiply
    14,220.28x = 19,627.50 × 8,635.96
  4. Step 4: Simplify right side
    14,220.28x = 169,502,304.90
  5. Step 5: Solve for x
    x = 169,502,304.90/14,220.28
  6. Step 6: Final answer
    x = 11,919.76

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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.