Home / 13,769.48-19,001.46-7,481.72

Finding the Fourth Proportional to 13,769.48, 19,001.46 and 7,481.72

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Solution

The fourth proportional to 13,769.48, 19,001.46 and 7,481.72 is: 10,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.48 : 19,001.46 = 7,481.72 : x
  2. Step 2: Convert to fraction form
    13,769.48/19,001.46 = 7,481.72/x
  3. Step 3: Cross multiply
    13,769.48x = 19,001.46 × 7,481.72
  4. Step 4: Simplify right side
    13,769.48x = 142,163,603.31
  5. Step 5: Solve for x
    x = 142,163,603.31/13,769.48
  6. Step 6: Final answer
    x = 10,324.54

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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.