Home / 13,443.72-20,161.26-4,676.28

Finding the Fourth Proportional to 13,443.72, 20,161.26 and 4,676.28

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Solution

The fourth proportional to 13,443.72, 20,161.26 and 4,676.28 is: 7,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.72 : 20,161.26 = 4,676.28 : x
  2. Step 2: Convert to fraction form
    13,443.72/20,161.26 = 4,676.28/x
  3. Step 3: Cross multiply
    13,443.72x = 20,161.26 × 4,676.28
  4. Step 4: Simplify right side
    13,443.72x = 94,279,696.91
  5. Step 5: Solve for x
    x = 94,279,696.91/13,443.72
  6. Step 6: Final answer
    x = 7,012.92

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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.