Home / 14,123.30-21,193.05-9,743.90

Finding the Fourth Proportional to 14,123.30, 21,193.05 and 9,743.90

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Solution

The fourth proportional to 14,123.30, 21,193.05 and 9,743.90 is: 14,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.30 : 21,193.05 = 9,743.90 : x
  2. Step 2: Convert to fraction form
    14,123.30/21,193.05 = 9,743.90/x
  3. Step 3: Cross multiply
    14,123.30x = 21,193.05 × 9,743.90
  4. Step 4: Simplify right side
    14,123.30x = 206,502,959.90
  5. Step 5: Solve for x
    x = 206,502,959.90/14,123.30
  6. Step 6: Final answer
    x = 14,621.44

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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.