Home / 13,827.45-20,725.65-5,505.24

Finding the Fourth Proportional to 13,827.45, 20,725.65 and 5,505.24

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Solution

The fourth proportional to 13,827.45, 20,725.65 and 5,505.24 is: 8,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.45 : 20,725.65 = 5,505.24 : x
  2. Step 2: Convert to fraction form
    13,827.45/20,725.65 = 5,505.24/x
  3. Step 3: Cross multiply
    13,827.45x = 20,725.65 × 5,505.24
  4. Step 4: Simplify right side
    13,827.45x = 114,099,677.41
  5. Step 5: Solve for x
    x = 114,099,677.41/13,827.45
  6. Step 6: Final answer
    x = 8,251.68

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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.