Home / 13,769.02-19,001.28-7,481.44

Finding the Fourth Proportional to 13,769.02, 19,001.28 and 7,481.44

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Solution

The fourth proportional to 13,769.02, 19,001.28 and 7,481.44 is: 10,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.02 : 19,001.28 = 7,481.44 : x
  2. Step 2: Convert to fraction form
    13,769.02/19,001.28 = 7,481.44/x
  3. Step 3: Cross multiply
    13,769.02x = 19,001.28 × 7,481.44
  4. Step 4: Simplify right side
    13,769.02x = 142,156,936.24
  5. Step 5: Solve for x
    x = 142,156,936.24/13,769.02
  6. Step 6: Final answer
    x = 10,324.40

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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.