Home / 13,769.48-19,001.22-7,801.18

Finding the Fourth Proportional to 13,769.48, 19,001.22 and 7,801.18

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Solution

The fourth proportional to 13,769.48, 19,001.22 and 7,801.18 is: 10,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.48 : 19,001.22 = 7,801.18 : x
  2. Step 2: Convert to fraction form
    13,769.48/19,001.22 = 7,801.18/x
  3. Step 3: Cross multiply
    13,769.48x = 19,001.22 × 7,801.18
  4. Step 4: Simplify right side
    13,769.48x = 148,231,860.68
  5. Step 5: Solve for x
    x = 148,231,860.68/13,769.48
  6. Step 6: Final answer
    x = 10,765.25

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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.