Home / 16,220.02-22,383.63-9,146.44

Finding the Fourth Proportional to 16,220.02, 22,383.63 and 9,146.44

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Solution

The fourth proportional to 16,220.02, 22,383.63 and 9,146.44 is: 12,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.02 : 22,383.63 = 9,146.44 : x
  2. Step 2: Convert to fraction form
    16,220.02/22,383.63 = 9,146.44/x
  3. Step 3: Cross multiply
    16,220.02x = 22,383.63 × 9,146.44
  4. Step 4: Simplify right side
    16,220.02x = 204,730,522.46
  5. Step 5: Solve for x
    x = 204,730,522.46/16,220.02
  6. Step 6: Final answer
    x = 12,622.09

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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.