Home / 16,906.19-23,322.67-10,939.78

Finding the Fourth Proportional to 16,906.19, 23,322.67 and 10,939.78

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Solution

The fourth proportional to 16,906.19, 23,322.67 and 10,939.78 is: 15,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.19 : 23,322.67 = 10,939.78 : x
  2. Step 2: Convert to fraction form
    16,906.19/23,322.67 = 10,939.78/x
  3. Step 3: Cross multiply
    16,906.19x = 23,322.67 × 10,939.78
  4. Step 4: Simplify right side
    16,906.19x = 255,144,878.81
  5. Step 5: Solve for x
    x = 255,144,878.81/16,906.19
  6. Step 6: Final answer
    x = 15,091.80

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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.