Home / 13,929.27-20,893.83-4,930.05

Finding the Fourth Proportional to 13,929.27, 20,893.83 and 4,930.05

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Solution

The fourth proportional to 13,929.27, 20,893.83 and 4,930.05 is: 7,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.27 : 20,893.83 = 4,930.05 : x
  2. Step 2: Convert to fraction form
    13,929.27/20,893.83 = 4,930.05/x
  3. Step 3: Cross multiply
    13,929.27x = 20,893.83 × 4,930.05
  4. Step 4: Simplify right side
    13,929.27x = 103,007,596.66
  5. Step 5: Solve for x
    x = 103,007,596.66/13,929.27
  6. Step 6: Final answer
    x = 7,395.05

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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.