Home / 14,242.43-21,364.00-4,381.79

Finding the Fourth Proportional to 14,242.43, 21,364.00 and 4,381.79

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Solution

The fourth proportional to 14,242.43, 21,364.00 and 4,381.79 is: 6,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.43 : 21,364.00 = 4,381.79 : x
  2. Step 2: Convert to fraction form
    14,242.43/21,364.00 = 4,381.79/x
  3. Step 3: Cross multiply
    14,242.43x = 21,364.00 × 4,381.79
  4. Step 4: Simplify right side
    14,242.43x = 93,612,539.65
  5. Step 5: Solve for x
    x = 93,612,539.65/14,242.43
  6. Step 6: Final answer
    x = 6,572.79

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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.