Home / 14,254.79-21,375.50-4,391.42

Finding the Fourth Proportional to 14,254.79, 21,375.50 and 4,391.42

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Solution

The fourth proportional to 14,254.79, 21,375.50 and 4,391.42 is: 6,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.79 : 21,375.50 = 4,391.42 : x
  2. Step 2: Convert to fraction form
    14,254.79/21,375.50 = 4,391.42/x
  3. Step 3: Cross multiply
    14,254.79x = 21,375.50 × 4,391.42
  4. Step 4: Simplify right side
    14,254.79x = 93,868,669.38
  5. Step 5: Solve for x
    x = 93,868,669.38/14,254.79
  6. Step 6: Final answer
    x = 6,585.06

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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.