Home / 13,011.71-19,517.56-3,150.97

Finding the Fourth Proportional to 13,011.71, 19,517.56 and 3,150.97

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Solution

The fourth proportional to 13,011.71, 19,517.56 and 3,150.97 is: 4,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.71 : 19,517.56 = 3,150.97 : x
  2. Step 2: Convert to fraction form
    13,011.71/19,517.56 = 3,150.97/x
  3. Step 3: Cross multiply
    13,011.71x = 19,517.56 × 3,150.97
  4. Step 4: Simplify right side
    13,011.71x = 61,499,189.36
  5. Step 5: Solve for x
    x = 61,499,189.36/13,011.71
  6. Step 6: Final answer
    x = 4,726.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.