Home / 14,113.48-21,165.89-9,758.92

Finding the Fourth Proportional to 14,113.48, 21,165.89 and 9,758.92

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Solution

The fourth proportional to 14,113.48, 21,165.89 and 9,758.92 is: 14,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.48 : 21,165.89 = 9,758.92 : x
  2. Step 2: Convert to fraction form
    14,113.48/21,165.89 = 9,758.92/x
  3. Step 3: Cross multiply
    14,113.48x = 21,165.89 × 9,758.92
  4. Step 4: Simplify right side
    14,113.48x = 206,556,198.72
  5. Step 5: Solve for x
    x = 206,556,198.72/14,113.48
  6. Step 6: Final answer
    x = 14,635.39

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1.5x scale

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.