Home / 13,769.02-19,000.74-7,481.26

Finding the Fourth Proportional to 13,769.02, 19,000.74 and 7,481.26

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Solution

The fourth proportional to 13,769.02, 19,000.74 and 7,481.26 is: 10,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.02 : 19,000.74 = 7,481.26 : x
  2. Step 2: Convert to fraction form
    13,769.02/19,000.74 = 7,481.26/x
  3. Step 3: Cross multiply
    13,769.02x = 19,000.74 × 7,481.26
  4. Step 4: Simplify right side
    13,769.02x = 142,149,476.13
  5. Step 5: Solve for x
    x = 142,149,476.13/13,769.02
  6. Step 6: Final answer
    x = 10,323.86

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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.