Home / 12,195.02-18,288.90-5,174.93

Finding the Fourth Proportional to 12,195.02, 18,288.90 and 5,174.93

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Solution

The fourth proportional to 12,195.02, 18,288.90 and 5,174.93 is: 7,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.02 : 18,288.90 = 5,174.93 : x
  2. Step 2: Convert to fraction form
    12,195.02/18,288.90 = 5,174.93/x
  3. Step 3: Cross multiply
    12,195.02x = 18,288.90 × 5,174.93
  4. Step 4: Simplify right side
    12,195.02x = 94,643,777.28
  5. Step 5: Solve for x
    x = 94,643,777.28/12,195.02
  6. Step 6: Final answer
    x = 7,760.85

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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.