Home / 16,388.74-22,617.26-9,220.90

Finding the Fourth Proportional to 16,388.74, 22,617.26 and 9,220.90

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Solution

The fourth proportional to 16,388.74, 22,617.26 and 9,220.90 is: 12,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.74 : 22,617.26 = 9,220.90 : x
  2. Step 2: Convert to fraction form
    16,388.74/22,617.26 = 9,220.90/x
  3. Step 3: Cross multiply
    16,388.74x = 22,617.26 × 9,220.90
  4. Step 4: Simplify right side
    16,388.74x = 208,551,492.73
  5. Step 5: Solve for x
    x = 208,551,492.73/16,388.74
  6. Step 6: Final answer
    x = 12,725.29

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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.