Home / 16,223.04-22,389.48-9,939.60

Finding the Fourth Proportional to 16,223.04, 22,389.48 and 9,939.60

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Solution

The fourth proportional to 16,223.04, 22,389.48 and 9,939.60 is: 13,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.04 : 22,389.48 = 9,939.60 : x
  2. Step 2: Convert to fraction form
    16,223.04/22,389.48 = 9,939.60/x
  3. Step 3: Cross multiply
    16,223.04x = 22,389.48 × 9,939.60
  4. Step 4: Simplify right side
    16,223.04x = 222,542,475.41
  5. Step 5: Solve for x
    x = 222,542,475.41/16,223.04
  6. Step 6: Final answer
    x = 13,717.68

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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.