Home / 13,949.02-20,926.59-6,553.54

Finding the Fourth Proportional to 13,949.02, 20,926.59 and 6,553.54

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Solution

The fourth proportional to 13,949.02, 20,926.59 and 6,553.54 is: 9,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.02 : 20,926.59 = 6,553.54 : x
  2. Step 2: Convert to fraction form
    13,949.02/20,926.59 = 6,553.54/x
  3. Step 3: Cross multiply
    13,949.02x = 20,926.59 × 6,553.54
  4. Step 4: Simplify right side
    13,949.02x = 137,143,244.63
  5. Step 5: Solve for x
    x = 137,143,244.63/13,949.02
  6. Step 6: Final answer
    x = 9,831.75

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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.