Home / 13,766.54-20,649.81-13,065.35

Finding the Fourth Proportional to 13,766.54, 20,649.81 and 13,065.35

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Solution

The fourth proportional to 13,766.54, 20,649.81 and 13,065.35 is: 19,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.54 : 20,649.81 = 13,065.35 : x
  2. Step 2: Convert to fraction form
    13,766.54/20,649.81 = 13,065.35/x
  3. Step 3: Cross multiply
    13,766.54x = 20,649.81 × 13,065.35
  4. Step 4: Simplify right side
    13,766.54x = 269,796,891.83
  5. Step 5: Solve for x
    x = 269,796,891.83/13,766.54
  6. Step 6: Final answer
    x = 19,598.02

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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.