Home / 13,011.74-19,517.66-3,151

Finding the Fourth Proportional to 13,011.74, 19,517.66 and 3,151

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Solution

The fourth proportional to 13,011.74, 19,517.66 and 3,151 is: 4,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.74 : 19,517.66 = 3,151 : x
  2. Step 2: Convert to fraction form
    13,011.74/19,517.66 = 3,151/x
  3. Step 3: Cross multiply
    13,011.74x = 19,517.66 × 3,151
  4. Step 4: Simplify right side
    13,011.74x = 61,500,130.91
  5. Step 5: Solve for x
    x = 61,500,130.91/13,011.74
  6. Step 6: Final answer
    x = 4,726.51

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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.