Home / 15,234.08-21,022.20-8,518.37

Finding the Fourth Proportional to 15,234.08, 21,022.20 and 8,518.37

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Solution

The fourth proportional to 15,234.08, 21,022.20 and 8,518.37 is: 11,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.08 : 21,022.20 = 8,518.37 : x
  2. Step 2: Convert to fraction form
    15,234.08/21,022.20 = 8,518.37/x
  3. Step 3: Cross multiply
    15,234.08x = 21,022.20 × 8,518.37
  4. Step 4: Simplify right side
    15,234.08x = 179,074,772.70
  5. Step 5: Solve for x
    x = 179,074,772.70/15,234.08
  6. Step 6: Final answer
    x = 11,754.88

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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.