Home / 13,824.18-20,723.40-5,502.60

Finding the Fourth Proportional to 13,824.18, 20,723.40 and 5,502.60

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Solution

The fourth proportional to 13,824.18, 20,723.40 and 5,502.60 is: 8,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.18 : 20,723.40 = 5,502.60 : x
  2. Step 2: Convert to fraction form
    13,824.18/20,723.40 = 5,502.60/x
  3. Step 3: Cross multiply
    13,824.18x = 20,723.40 × 5,502.60
  4. Step 4: Simplify right side
    13,824.18x = 114,032,580.84
  5. Step 5: Solve for x
    x = 114,032,580.84/13,824.18
  6. Step 6: Final answer
    x = 8,248.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.