Home / 13,929.44-20,893.84-3,541.20

Finding the Fourth Proportional to 13,929.44, 20,893.84 and 3,541.20

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Solution

The fourth proportional to 13,929.44, 20,893.84 and 3,541.20 is: 5,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.44 : 20,893.84 = 3,541.20 : x
  2. Step 2: Convert to fraction form
    13,929.44/20,893.84 = 3,541.20/x
  3. Step 3: Cross multiply
    13,929.44x = 20,893.84 × 3,541.20
  4. Step 4: Simplify right side
    13,929.44x = 73,989,266.21
  5. Step 5: Solve for x
    x = 73,989,266.21/13,929.44
  6. Step 6: Final answer
    x = 5,311.72

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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.