Home / 14,188.50-21,286.80-4,830.57

Finding the Fourth Proportional to 14,188.50, 21,286.80 and 4,830.57

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Solution

The fourth proportional to 14,188.50, 21,286.80 and 4,830.57 is: 7,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.50 : 21,286.80 = 4,830.57 : x
  2. Step 2: Convert to fraction form
    14,188.50/21,286.80 = 4,830.57/x
  3. Step 3: Cross multiply
    14,188.50x = 21,286.80 × 4,830.57
  4. Step 4: Simplify right side
    14,188.50x = 102,827,377.48
  5. Step 5: Solve for x
    x = 102,827,377.48/14,188.50
  6. Step 6: Final answer
    x = 7,247.23

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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.