Home / 18,690.24-28,049.31-7,600.89

Finding the Fourth Proportional to 18,690.24, 28,049.31 and 7,600.89

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Solution

The fourth proportional to 18,690.24, 28,049.31 and 7,600.89 is: 11,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.24 : 28,049.31 = 7,600.89 : x
  2. Step 2: Convert to fraction form
    18,690.24/28,049.31 = 7,600.89/x
  3. Step 3: Cross multiply
    18,690.24x = 28,049.31 × 7,600.89
  4. Step 4: Simplify right side
    18,690.24x = 213,199,719.89
  5. Step 5: Solve for x
    x = 213,199,719.89/18,690.24
  6. Step 6: Final answer
    x = 11,407.01

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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.