Home / 19,809.48-29,714.22-7,968.66

Finding the Fourth Proportional to 19,809.48, 29,714.22 and 7,968.66

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Solution

The fourth proportional to 19,809.48, 29,714.22 and 7,968.66 is: 11,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.48 : 29,714.22 = 7,968.66 : x
  2. Step 2: Convert to fraction form
    19,809.48/29,714.22 = 7,968.66/x
  3. Step 3: Cross multiply
    19,809.48x = 29,714.22 × 7,968.66
  4. Step 4: Simplify right side
    19,809.48x = 236,782,516.35
  5. Step 5: Solve for x
    x = 236,782,516.35/19,809.48
  6. Step 6: Final answer
    x = 11,952.99

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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.