Home / 13,941.65-20,916.56-7,372.44

Finding the Fourth Proportional to 13,941.65, 20,916.56 and 7,372.44

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Solution

The fourth proportional to 13,941.65, 20,916.56 and 7,372.44 is: 11,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.65 : 20,916.56 = 7,372.44 : x
  2. Step 2: Convert to fraction form
    13,941.65/20,916.56 = 7,372.44/x
  3. Step 3: Cross multiply
    13,941.65x = 20,916.56 × 7,372.44
  4. Step 4: Simplify right side
    13,941.65x = 154,206,102.04
  5. Step 5: Solve for x
    x = 154,206,102.04/13,941.65
  6. Step 6: Final answer
    x = 11,060.82

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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.