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Finding the Fourth Proportional to 11,275.02, 16,918.29 and 8,222.22

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Solution

The fourth proportional to 11,275.02, 16,918.29 and 8,222.22 is: 12,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.02 : 16,918.29 = 8,222.22 : x
  2. Step 2: Convert to fraction form
    11,275.02/16,918.29 = 8,222.22/x
  3. Step 3: Cross multiply
    11,275.02x = 16,918.29 × 8,222.22
  4. Step 4: Simplify right side
    11,275.02x = 139,105,902.40
  5. Step 5: Solve for x
    x = 139,105,902.40/11,275.02
  6. Step 6: Final answer
    x = 12,337.53

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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.