Home / 14,072.87-21,133.45-12,495.15

Finding the Fourth Proportional to 14,072.87, 21,133.45 and 12,495.15

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Solution

The fourth proportional to 14,072.87, 21,133.45 and 12,495.15 is: 18,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.87 : 21,133.45 = 12,495.15 : x
  2. Step 2: Convert to fraction form
    14,072.87/21,133.45 = 12,495.15/x
  3. Step 3: Cross multiply
    14,072.87x = 21,133.45 × 12,495.15
  4. Step 4: Simplify right side
    14,072.87x = 264,065,680.60
  5. Step 5: Solve for x
    x = 264,065,680.60/14,072.87
  6. Step 6: Final answer
    x = 18,764.17

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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.