Home / 17,811.05-26,722.77-6,720.94

Finding the Fourth Proportional to 17,811.05, 26,722.77 and 6,720.94

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Solution

The fourth proportional to 17,811.05, 26,722.77 and 6,720.94 is: 10,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.05 : 26,722.77 = 6,720.94 : x
  2. Step 2: Convert to fraction form
    17,811.05/26,722.77 = 6,720.94/x
  3. Step 3: Cross multiply
    17,811.05x = 26,722.77 × 6,720.94
  4. Step 4: Simplify right side
    17,811.05x = 179,602,133.80
  5. Step 5: Solve for x
    x = 179,602,133.80/17,811.05
  6. Step 6: Final answer
    x = 10,083.75

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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.