Home / 14,014.43-21,017.53-5,247.29

Finding the Fourth Proportional to 14,014.43, 21,017.53 and 5,247.29

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Solution

The fourth proportional to 14,014.43, 21,017.53 and 5,247.29 is: 7,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.43 : 21,017.53 = 5,247.29 : x
  2. Step 2: Convert to fraction form
    14,014.43/21,017.53 = 5,247.29/x
  3. Step 3: Cross multiply
    14,014.43x = 21,017.53 × 5,247.29
  4. Step 4: Simplify right side
    14,014.43x = 110,285,074.99
  5. Step 5: Solve for x
    x = 110,285,074.99/14,014.43
  6. Step 6: Final answer
    x = 7,869.39

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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.