Home / 15,467.70-21,346.46-8,753.61

Finding the Fourth Proportional to 15,467.70, 21,346.46 and 8,753.61

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Solution

The fourth proportional to 15,467.70, 21,346.46 and 8,753.61 is: 12,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.70 : 21,346.46 = 8,753.61 : x
  2. Step 2: Convert to fraction form
    15,467.70/21,346.46 = 8,753.61/x
  3. Step 3: Cross multiply
    15,467.70x = 21,346.46 × 8,753.61
  4. Step 4: Simplify right side
    15,467.70x = 186,858,541.95
  5. Step 5: Solve for x
    x = 186,858,541.95/15,467.70
  6. Step 6: Final answer
    x = 12,080.56

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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.