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Finding the Fourth Proportional to 19,006, 26,231.52 and 10,620.88

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Solution

The fourth proportional to 19,006, 26,231.52 and 10,620.88 is: 14,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006 : 26,231.52 = 10,620.88 : x
  2. Step 2: Convert to fraction form
    19,006/26,231.52 = 10,620.88/x
  3. Step 3: Cross multiply
    19,006x = 26,231.52 × 10,620.88
  4. Step 4: Simplify right side
    19,006x = 278,601,826.14
  5. Step 5: Solve for x
    x = 278,601,826.14/19,006
  6. Step 6: Final answer
    x = 14,658.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.