Home / 14,253.45-21,381.26-4,893.39

Finding the Fourth Proportional to 14,253.45, 21,381.26 and 4,893.39

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Solution

The fourth proportional to 14,253.45, 21,381.26 and 4,893.39 is: 7,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.45 : 21,381.26 = 4,893.39 : x
  2. Step 2: Convert to fraction form
    14,253.45/21,381.26 = 4,893.39/x
  3. Step 3: Cross multiply
    14,253.45x = 21,381.26 × 4,893.39
  4. Step 4: Simplify right side
    14,253.45x = 104,626,819.40
  5. Step 5: Solve for x
    x = 104,626,819.40/14,253.45
  6. Step 6: Final answer
    x = 7,340.46

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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.