Home / 18,939.32-26,136.88-10,441.80

Finding the Fourth Proportional to 18,939.32, 26,136.88 and 10,441.80

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Solution

The fourth proportional to 18,939.32, 26,136.88 and 10,441.80 is: 14,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.32 : 26,136.88 = 10,441.80 : x
  2. Step 2: Convert to fraction form
    18,939.32/26,136.88 = 10,441.80/x
  3. Step 3: Cross multiply
    18,939.32x = 26,136.88 × 10,441.80
  4. Step 4: Simplify right side
    18,939.32x = 272,916,073.58
  5. Step 5: Solve for x
    x = 272,916,073.58/18,939.32
  6. Step 6: Final answer
    x = 14,410.02

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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.