Home / 12,202.02-18,296.55-8,307.54

Finding the Fourth Proportional to 12,202.02, 18,296.55 and 8,307.54

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Solution

The fourth proportional to 12,202.02, 18,296.55 and 8,307.54 is: 12,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.02 : 18,296.55 = 8,307.54 : x
  2. Step 2: Convert to fraction form
    12,202.02/18,296.55 = 8,307.54/x
  3. Step 3: Cross multiply
    12,202.02x = 18,296.55 × 8,307.54
  4. Step 4: Simplify right side
    12,202.02x = 151,999,320.99
  5. Step 5: Solve for x
    x = 151,999,320.99/12,202.02
  6. Step 6: Final answer
    x = 12,456.90

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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.