Home / 14,575.26-21,857.30-5,213.52

Finding the Fourth Proportional to 14,575.26, 21,857.30 and 5,213.52

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Solution

The fourth proportional to 14,575.26, 21,857.30 and 5,213.52 is: 7,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.26 : 21,857.30 = 5,213.52 : x
  2. Step 2: Convert to fraction form
    14,575.26/21,857.30 = 5,213.52/x
  3. Step 3: Cross multiply
    14,575.26x = 21,857.30 × 5,213.52
  4. Step 4: Simplify right side
    14,575.26x = 113,953,470.70
  5. Step 5: Solve for x
    x = 113,953,470.70/14,575.26
  6. Step 6: Final answer
    x = 7,818.28

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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.