Home / 14,114.96-21,172.80-4,254.56

Finding the Fourth Proportional to 14,114.96, 21,172.80 and 4,254.56

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Solution

The fourth proportional to 14,114.96, 21,172.80 and 4,254.56 is: 6,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.96 : 21,172.80 = 4,254.56 : x
  2. Step 2: Convert to fraction form
    14,114.96/21,172.80 = 4,254.56/x
  3. Step 3: Cross multiply
    14,114.96x = 21,172.80 × 4,254.56
  4. Step 4: Simplify right side
    14,114.96x = 90,080,947.97
  5. Step 5: Solve for x
    x = 90,080,947.97/14,114.96
  6. Step 6: Final answer
    x = 6,381.95

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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.