Home / 19,147.24-28,709.02-7,446.76

Finding the Fourth Proportional to 19,147.24, 28,709.02 and 7,446.76

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Solution

The fourth proportional to 19,147.24, 28,709.02 and 7,446.76 is: 11,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.24 : 28,709.02 = 7,446.76 : x
  2. Step 2: Convert to fraction form
    19,147.24/28,709.02 = 7,446.76/x
  3. Step 3: Cross multiply
    19,147.24x = 28,709.02 × 7,446.76
  4. Step 4: Simplify right side
    19,147.24x = 213,789,181.78
  5. Step 5: Solve for x
    x = 213,789,181.78/19,147.24
  6. Step 6: Final answer
    x = 11,165.54

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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.