Home / 19,126.30-28,682.19-7,436.86

Finding the Fourth Proportional to 19,126.30, 28,682.19 and 7,436.86

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Solution

The fourth proportional to 19,126.30, 28,682.19 and 7,436.86 is: 11,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.30 : 28,682.19 = 7,436.86 : x
  2. Step 2: Convert to fraction form
    19,126.30/28,682.19 = 7,436.86/x
  3. Step 3: Cross multiply
    19,126.30x = 28,682.19 × 7,436.86
  4. Step 4: Simplify right side
    19,126.30x = 213,305,431.52
  5. Step 5: Solve for x
    x = 213,305,431.52/19,126.30
  6. Step 6: Final answer
    x = 11,152.47

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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.