Home / 14,709.69-20,301.26-8,338.56

Finding the Fourth Proportional to 14,709.69, 20,301.26 and 8,338.56

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Solution

The fourth proportional to 14,709.69, 20,301.26 and 8,338.56 is: 11,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.69 : 20,301.26 = 8,338.56 : x
  2. Step 2: Convert to fraction form
    14,709.69/20,301.26 = 8,338.56/x
  3. Step 3: Cross multiply
    14,709.69x = 20,301.26 × 8,338.56
  4. Step 4: Simplify right side
    14,709.69x = 169,283,274.59
  5. Step 5: Solve for x
    x = 169,283,274.59/14,709.69
  6. Step 6: Final answer
    x = 11,508.28

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Half scale
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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.