Home / 20,053.44-30,086.40-9,663.36

Finding the Fourth Proportional to 20,053.44, 30,086.40 and 9,663.36

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Solution

The fourth proportional to 20,053.44, 30,086.40 and 9,663.36 is: 14,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.44 : 30,086.40 = 9,663.36 : x
  2. Step 2: Convert to fraction form
    20,053.44/30,086.40 = 9,663.36/x
  3. Step 3: Cross multiply
    20,053.44x = 30,086.40 × 9,663.36
  4. Step 4: Simplify right side
    20,053.44x = 290,735,714.30
  5. Step 5: Solve for x
    x = 290,735,714.30/20,053.44
  6. Step 6: Final answer
    x = 14,498.05

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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.