Home / 15,764.58-21,754.25-9,049.77

Finding the Fourth Proportional to 15,764.58, 21,754.25 and 9,049.77

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Solution

The fourth proportional to 15,764.58, 21,754.25 and 9,049.77 is: 12,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764.58 : 21,754.25 = 9,049.77 : x
  2. Step 2: Convert to fraction form
    15,764.58/21,754.25 = 9,049.77/x
  3. Step 3: Cross multiply
    15,764.58x = 21,754.25 × 9,049.77
  4. Step 4: Simplify right side
    15,764.58x = 196,870,998.62
  5. Step 5: Solve for x
    x = 196,870,998.62/15,764.58
  6. Step 6: Final answer
    x = 12,488.18

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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.