Home / 13,557.78-20,337.39-4,204.26

Finding the Fourth Proportional to 13,557.78, 20,337.39 and 4,204.26

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Solution

The fourth proportional to 13,557.78, 20,337.39 and 4,204.26 is: 6,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.78 : 20,337.39 = 4,204.26 : x
  2. Step 2: Convert to fraction form
    13,557.78/20,337.39 = 4,204.26/x
  3. Step 3: Cross multiply
    13,557.78x = 20,337.39 × 4,204.26
  4. Step 4: Simplify right side
    13,557.78x = 85,503,675.28
  5. Step 5: Solve for x
    x = 85,503,675.28/13,557.78
  6. Step 6: Final answer
    x = 6,306.61

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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.