Home / 14,242.74-21,366.53-4,381.80

Finding the Fourth Proportional to 14,242.74, 21,366.53 and 4,381.80

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Solution

The fourth proportional to 14,242.74, 21,366.53 and 4,381.80 is: 6,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.74 : 21,366.53 = 4,381.80 : x
  2. Step 2: Convert to fraction form
    14,242.74/21,366.53 = 4,381.80/x
  3. Step 3: Cross multiply
    14,242.74x = 21,366.53 × 4,381.80
  4. Step 4: Simplify right side
    14,242.74x = 93,623,861.15
  5. Step 5: Solve for x
    x = 93,623,861.15/14,242.74
  6. Step 6: Final answer
    x = 6,573.44

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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.