Home / 14,222.78-21,334.19-4,862.89

Finding the Fourth Proportional to 14,222.78, 21,334.19 and 4,862.89

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Solution

The fourth proportional to 14,222.78, 21,334.19 and 4,862.89 is: 7,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.78 : 21,334.19 = 4,862.89 : x
  2. Step 2: Convert to fraction form
    14,222.78/21,334.19 = 4,862.89/x
  3. Step 3: Cross multiply
    14,222.78x = 21,334.19 × 4,862.89
  4. Step 4: Simplify right side
    14,222.78x = 103,745,794.89
  5. Step 5: Solve for x
    x = 103,745,794.89/14,222.78
  6. Step 6: Final answer
    x = 7,294.34

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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.