Home / 17,651.10-26,455.76-7,769.72

Finding the Fourth Proportional to 17,651.10, 26,455.76 and 7,769.72

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Solution

The fourth proportional to 17,651.10, 26,455.76 and 7,769.72 is: 11,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.10 : 26,455.76 = 7,769.72 : x
  2. Step 2: Convert to fraction form
    17,651.10/26,455.76 = 7,769.72/x
  3. Step 3: Cross multiply
    17,651.10x = 26,455.76 × 7,769.72
  4. Step 4: Simplify right side
    17,651.10x = 205,553,847.59
  5. Step 5: Solve for x
    x = 205,553,847.59/17,651.10
  6. Step 6: Final answer
    x = 11,645.38

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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.