Home / 18,220.02-27,344.61-9,457.44

Finding the Fourth Proportional to 18,220.02, 27,344.61 and 9,457.44

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Solution

The fourth proportional to 18,220.02, 27,344.61 and 9,457.44 is: 14,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.02 : 27,344.61 = 9,457.44 : x
  2. Step 2: Convert to fraction form
    18,220.02/27,344.61 = 9,457.44/x
  3. Step 3: Cross multiply
    18,220.02x = 27,344.61 × 9,457.44
  4. Step 4: Simplify right side
    18,220.02x = 258,610,146.41
  5. Step 5: Solve for x
    x = 258,610,146.41/18,220.02
  6. Step 6: Final answer
    x = 14,193.73

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Half scale
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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.