Home / 12,060.46-18,090.53-5,395.20

Finding the Fourth Proportional to 12,060.46, 18,090.53 and 5,395.20

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Solution

The fourth proportional to 12,060.46, 18,090.53 and 5,395.20 is: 8,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.46 : 18,090.53 = 5,395.20 : x
  2. Step 2: Convert to fraction form
    12,060.46/18,090.53 = 5,395.20/x
  3. Step 3: Cross multiply
    12,060.46x = 18,090.53 × 5,395.20
  4. Step 4: Simplify right side
    12,060.46x = 97,601,952.87
  5. Step 5: Solve for x
    x = 97,601,952.87/12,060.46
  6. Step 6: Final answer
    x = 8,092.72

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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.