Home / 14,279.11-21,419.27-4,418.57

Finding the Fourth Proportional to 14,279.11, 21,419.27 and 4,418.57

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Solution

The fourth proportional to 14,279.11, 21,419.27 and 4,418.57 is: 6,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.11 : 21,419.27 = 4,418.57 : x
  2. Step 2: Convert to fraction form
    14,279.11/21,419.27 = 4,418.57/x
  3. Step 3: Cross multiply
    14,279.11x = 21,419.27 × 4,418.57
  4. Step 4: Simplify right side
    14,279.11x = 94,642,543.84
  5. Step 5: Solve for x
    x = 94,642,543.84/14,279.11
  6. Step 6: Final answer
    x = 6,628.04

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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.