Home / 15,091.09-20,764.68-14,704.72

Finding the Fourth Proportional to 15,091.09, 20,764.68 and 14,704.72

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Solution

The fourth proportional to 15,091.09, 20,764.68 and 14,704.72 is: 20,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.09 : 20,764.68 = 14,704.72 : x
  2. Step 2: Convert to fraction form
    15,091.09/20,764.68 = 14,704.72/x
  3. Step 3: Cross multiply
    15,091.09x = 20,764.68 × 14,704.72
  4. Step 4: Simplify right side
    15,091.09x = 305,338,805.29
  5. Step 5: Solve for x
    x = 305,338,805.29/15,091.09
  6. Step 6: Final answer
    x = 20,233.05

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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.