Home / 14,749.16-20,348.82-8,375.09

Finding the Fourth Proportional to 14,749.16, 20,348.82 and 8,375.09

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Solution

The fourth proportional to 14,749.16, 20,348.82 and 8,375.09 is: 11,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.16 : 20,348.82 = 8,375.09 : x
  2. Step 2: Convert to fraction form
    14,749.16/20,348.82 = 8,375.09/x
  3. Step 3: Cross multiply
    14,749.16x = 20,348.82 × 8,375.09
  4. Step 4: Simplify right side
    14,749.16x = 170,423,097.15
  5. Step 5: Solve for x
    x = 170,423,097.15/14,749.16
  6. Step 6: Final answer
    x = 11,554.77

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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.