Home / 11,695.02-16,133.86-7,218.96

Finding the Fourth Proportional to 11,695.02, 16,133.86 and 7,218.96

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Solution

The fourth proportional to 11,695.02, 16,133.86 and 7,218.96 is: 9,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.02 : 16,133.86 = 7,218.96 : x
  2. Step 2: Convert to fraction form
    11,695.02/16,133.86 = 7,218.96/x
  3. Step 3: Cross multiply
    11,695.02x = 16,133.86 × 7,218.96
  4. Step 4: Simplify right side
    11,695.02x = 116,469,689.99
  5. Step 5: Solve for x
    x = 116,469,689.99/11,695.02
  6. Step 6: Final answer
    x = 9,958.91

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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.