Home / 14,146.57-21,197.71-8,941.51

Finding the Fourth Proportional to 14,146.57, 21,197.71 and 8,941.51

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Solution

The fourth proportional to 14,146.57, 21,197.71 and 8,941.51 is: 13,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.57 : 21,197.71 = 8,941.51 : x
  2. Step 2: Convert to fraction form
    14,146.57/21,197.71 = 8,941.51/x
  3. Step 3: Cross multiply
    14,146.57x = 21,197.71 × 8,941.51
  4. Step 4: Simplify right side
    14,146.57x = 189,539,535.94
  5. Step 5: Solve for x
    x = 189,539,535.94/14,146.57
  6. Step 6: Final answer
    x = 13,398.27

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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.