Home / 18,610.53-27,889.49-14,431.09

Finding the Fourth Proportional to 18,610.53, 27,889.49 and 14,431.09

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Solution

The fourth proportional to 18,610.53, 27,889.49 and 14,431.09 is: 21,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.53 : 27,889.49 = 14,431.09 : x
  2. Step 2: Convert to fraction form
    18,610.53/27,889.49 = 14,431.09/x
  3. Step 3: Cross multiply
    18,610.53x = 27,889.49 × 14,431.09
  4. Step 4: Simplify right side
    18,610.53x = 402,475,639.86
  5. Step 5: Solve for x
    x = 402,475,639.86/18,610.53
  6. Step 6: Final answer
    x = 21,626.23

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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.