Home / 14,865.26-20,513.70-8,404.34

Finding the Fourth Proportional to 14,865.26, 20,513.70 and 8,404.34

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Solution

The fourth proportional to 14,865.26, 20,513.70 and 8,404.34 is: 11,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.26 : 20,513.70 = 8,404.34 : x
  2. Step 2: Convert to fraction form
    14,865.26/20,513.70 = 8,404.34/x
  3. Step 3: Cross multiply
    14,865.26x = 20,513.70 × 8,404.34
  4. Step 4: Simplify right side
    14,865.26x = 172,404,109.46
  5. Step 5: Solve for x
    x = 172,404,109.46/14,865.26
  6. Step 6: Final answer
    x = 11,597.79

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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.