Home / 13,877.79-20,817.54-4,016.85

Finding the Fourth Proportional to 13,877.79, 20,817.54 and 4,016.85

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Solution

The fourth proportional to 13,877.79, 20,817.54 and 4,016.85 is: 6,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.79 : 20,817.54 = 4,016.85 : x
  2. Step 2: Convert to fraction form
    13,877.79/20,817.54 = 4,016.85/x
  3. Step 3: Cross multiply
    13,877.79x = 20,817.54 × 4,016.85
  4. Step 4: Simplify right side
    13,877.79x = 83,620,935.55
  5. Step 5: Solve for x
    x = 83,620,935.55/13,877.79
  6. Step 6: Final answer
    x = 6,025.52

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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.