Home / 13,949.02-20,913.50-6,549.37

Finding the Fourth Proportional to 13,949.02, 20,913.50 and 6,549.37

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Solution

The fourth proportional to 13,949.02, 20,913.50 and 6,549.37 is: 9,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.02 : 20,913.50 = 6,549.37 : x
  2. Step 2: Convert to fraction form
    13,949.02/20,913.50 = 6,549.37/x
  3. Step 3: Cross multiply
    13,949.02x = 20,913.50 × 6,549.37
  4. Step 4: Simplify right side
    13,949.02x = 136,970,213.58
  5. Step 5: Solve for x
    x = 136,970,213.58/13,949.02
  6. Step 6: Final answer
    x = 9,819.34

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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.