Home / 13,769.20-19,004.54-9,053.92

Finding the Fourth Proportional to 13,769.20, 19,004.54 and 9,053.92

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Solution

The fourth proportional to 13,769.20, 19,004.54 and 9,053.92 is: 12,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.20 : 19,004.54 = 9,053.92 : x
  2. Step 2: Convert to fraction form
    13,769.20/19,004.54 = 9,053.92/x
  3. Step 3: Cross multiply
    13,769.20x = 19,004.54 × 9,053.92
  4. Step 4: Simplify right side
    13,769.20x = 172,065,584.80
  5. Step 5: Solve for x
    x = 172,065,584.80/13,769.20
  6. Step 6: Final answer
    x = 12,496.41

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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.