Home / 12,261.75-18,384.69-5,246.34

Finding the Fourth Proportional to 12,261.75, 18,384.69 and 5,246.34

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Solution

The fourth proportional to 12,261.75, 18,384.69 and 5,246.34 is: 7,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.75 : 18,384.69 = 5,246.34 : x
  2. Step 2: Convert to fraction form
    12,261.75/18,384.69 = 5,246.34/x
  3. Step 3: Cross multiply
    12,261.75x = 18,384.69 × 5,246.34
  4. Step 4: Simplify right side
    12,261.75x = 96,452,334.53
  5. Step 5: Solve for x
    x = 96,452,334.53/12,261.75
  6. Step 6: Final answer
    x = 7,866.11

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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.