Home / 12,929.46-19,397.40-3,695.46

Finding the Fourth Proportional to 12,929.46, 19,397.40 and 3,695.46

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Solution

The fourth proportional to 12,929.46, 19,397.40 and 3,695.46 is: 5,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.46 : 19,397.40 = 3,695.46 : x
  2. Step 2: Convert to fraction form
    12,929.46/19,397.40 = 3,695.46/x
  3. Step 3: Cross multiply
    12,929.46x = 19,397.40 × 3,695.46
  4. Step 4: Simplify right side
    12,929.46x = 71,682,315.80
  5. Step 5: Solve for x
    x = 71,682,315.80/12,929.46
  6. Step 6: Final answer
    x = 5,544.11

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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.