Home / 16,722.18-23,076.60-9,648.60

Finding the Fourth Proportional to 16,722.18, 23,076.60 and 9,648.60

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Solution

The fourth proportional to 16,722.18, 23,076.60 and 9,648.60 is: 13,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.18 : 23,076.60 = 9,648.60 : x
  2. Step 2: Convert to fraction form
    16,722.18/23,076.60 = 9,648.60/x
  3. Step 3: Cross multiply
    16,722.18x = 23,076.60 × 9,648.60
  4. Step 4: Simplify right side
    16,722.18x = 222,656,889.85
  5. Step 5: Solve for x
    x = 222,656,889.85/16,722.18
  6. Step 6: Final answer
    x = 13,315.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.