Home / 12,060.28-18,090.66-7,926.64

Finding the Fourth Proportional to 12,060.28, 18,090.66 and 7,926.64

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Solution

The fourth proportional to 12,060.28, 18,090.66 and 7,926.64 is: 11,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.28 : 18,090.66 = 7,926.64 : x
  2. Step 2: Convert to fraction form
    12,060.28/18,090.66 = 7,926.64/x
  3. Step 3: Cross multiply
    12,060.28x = 18,090.66 × 7,926.64
  4. Step 4: Simplify right side
    12,060.28x = 143,398,149.18
  5. Step 5: Solve for x
    x = 143,398,149.18/12,060.28
  6. Step 6: Final answer
    x = 11,890.12

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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.