Home / 11,330.02-15,629.97-6,611.50

Finding the Fourth Proportional to 11,330.02, 15,629.97 and 6,611.50

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Solution

The fourth proportional to 11,330.02, 15,629.97 and 6,611.50 is: 9,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.02 : 15,629.97 = 6,611.50 : x
  2. Step 2: Convert to fraction form
    11,330.02/15,629.97 = 6,611.50/x
  3. Step 3: Cross multiply
    11,330.02x = 15,629.97 × 6,611.50
  4. Step 4: Simplify right side
    11,330.02x = 103,337,546.66
  5. Step 5: Solve for x
    x = 103,337,546.66/11,330.02
  6. Step 6: Final answer
    x = 9,120.69

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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.