Home / 18,859.23-26,010.72-12,145.41

Finding the Fourth Proportional to 18,859.23, 26,010.72 and 12,145.41

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Solution

The fourth proportional to 18,859.23, 26,010.72 and 12,145.41 is: 16,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.23 : 26,010.72 = 12,145.41 : x
  2. Step 2: Convert to fraction form
    18,859.23/26,010.72 = 12,145.41/x
  3. Step 3: Cross multiply
    18,859.23x = 26,010.72 × 12,145.41
  4. Step 4: Simplify right side
    18,859.23x = 315,910,858.80
  5. Step 5: Solve for x
    x = 315,910,858.80/18,859.23
  6. Step 6: Final answer
    x = 16,750.99

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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.