Home / 21,809.76-32,714.94-6,227.36

Finding the Fourth Proportional to 21,809.76, 32,714.94 and 6,227.36

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Solution

The fourth proportional to 21,809.76, 32,714.94 and 6,227.36 is: 9,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809.76 : 32,714.94 = 6,227.36 : x
  2. Step 2: Convert to fraction form
    21,809.76/32,714.94 = 6,227.36/x
  3. Step 3: Cross multiply
    21,809.76x = 32,714.94 × 6,227.36
  4. Step 4: Simplify right side
    21,809.76x = 203,727,708.76
  5. Step 5: Solve for x
    x = 203,727,708.76/21,809.76
  6. Step 6: Final answer
    x = 9,341.13

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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.