Home / 18,939.43-26,136.59-10,441.85

Finding the Fourth Proportional to 18,939.43, 26,136.59 and 10,441.85

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Solution

The fourth proportional to 18,939.43, 26,136.59 and 10,441.85 is: 14,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.43 : 26,136.59 = 10,441.85 : x
  2. Step 2: Convert to fraction form
    18,939.43/26,136.59 = 10,441.85/x
  3. Step 3: Cross multiply
    18,939.43x = 26,136.59 × 10,441.85
  4. Step 4: Simplify right side
    18,939.43x = 272,914,352.29
  5. Step 5: Solve for x
    x = 272,914,352.29/18,939.43
  6. Step 6: Final answer
    x = 14,409.85

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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.