Home / 13,011.49-19,517.29-3,150.75

Finding the Fourth Proportional to 13,011.49, 19,517.29 and 3,150.75

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Solution

The fourth proportional to 13,011.49, 19,517.29 and 3,150.75 is: 4,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.49 : 19,517.29 = 3,150.75 : x
  2. Step 2: Convert to fraction form
    13,011.49/19,517.29 = 3,150.75/x
  3. Step 3: Cross multiply
    13,011.49x = 19,517.29 × 3,150.75
  4. Step 4: Simplify right side
    13,011.49x = 61,494,057.00
  5. Step 5: Solve for x
    x = 61,494,057.00/13,011.49
  6. Step 6: Final answer
    x = 4,726.14

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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.