Home / 12,564.75-18,847.13-3,330.75

Finding the Fourth Proportional to 12,564.75, 18,847.13 and 3,330.75

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Solution

The fourth proportional to 12,564.75, 18,847.13 and 3,330.75 is: 4,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.75 : 18,847.13 = 3,330.75 : x
  2. Step 2: Convert to fraction form
    12,564.75/18,847.13 = 3,330.75/x
  3. Step 3: Cross multiply
    12,564.75x = 18,847.13 × 3,330.75
  4. Step 4: Simplify right side
    12,564.75x = 62,775,061.59
  5. Step 5: Solve for x
    x = 62,775,061.59/12,564.75
  6. Step 6: Final answer
    x = 4,996.13

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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.