Home / 11,990.02-16,546.24-6,684.72

Finding the Fourth Proportional to 11,990.02, 16,546.24 and 6,684.72

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Solution

The fourth proportional to 11,990.02, 16,546.24 and 6,684.72 is: 9,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.02 : 16,546.24 = 6,684.72 : x
  2. Step 2: Convert to fraction form
    11,990.02/16,546.24 = 6,684.72/x
  3. Step 3: Cross multiply
    11,990.02x = 16,546.24 × 6,684.72
  4. Step 4: Simplify right side
    11,990.02x = 110,606,981.45
  5. Step 5: Solve for x
    x = 110,606,981.45/11,990.02
  6. Step 6: Final answer
    x = 9,224.92

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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.