Home / 12,213.17-18,307.37-4,822.83

Finding the Fourth Proportional to 12,213.17, 18,307.37 and 4,822.83

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Solution

The fourth proportional to 12,213.17, 18,307.37 and 4,822.83 is: 7,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.17 : 18,307.37 = 4,822.83 : x
  2. Step 2: Convert to fraction form
    12,213.17/18,307.37 = 4,822.83/x
  3. Step 3: Cross multiply
    12,213.17x = 18,307.37 × 4,822.83
  4. Step 4: Simplify right side
    12,213.17x = 88,293,309.14
  5. Step 5: Solve for x
    x = 88,293,309.14/12,213.17
  6. Step 6: Final answer
    x = 7,229.36

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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.