Home / 20,513.02-30,769.56-11,741.88

Finding the Fourth Proportional to 20,513.02, 30,769.56 and 11,741.88

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Solution

The fourth proportional to 20,513.02, 30,769.56 and 11,741.88 is: 17,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513.02 : 30,769.56 = 11,741.88 : x
  2. Step 2: Convert to fraction form
    20,513.02/30,769.56 = 11,741.88/x
  3. Step 3: Cross multiply
    20,513.02x = 30,769.56 × 11,741.88
  4. Step 4: Simplify right side
    20,513.02x = 361,292,481.17
  5. Step 5: Solve for x
    x = 361,292,481.17/20,513.02
  6. Step 6: Final answer
    x = 17,612.84

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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.