Home / 14,373.90-19,789.70-11,183.31

Finding the Fourth Proportional to 14,373.90, 19,789.70 and 11,183.31

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Solution

The fourth proportional to 14,373.90, 19,789.70 and 11,183.31 is: 15,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.90 : 19,789.70 = 11,183.31 : x
  2. Step 2: Convert to fraction form
    14,373.90/19,789.70 = 11,183.31/x
  3. Step 3: Cross multiply
    14,373.90x = 19,789.70 × 11,183.31
  4. Step 4: Simplify right side
    14,373.90x = 221,314,293.99
  5. Step 5: Solve for x
    x = 221,314,293.99/14,373.90
  6. Step 6: Final answer
    x = 15,396.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.