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Finding the Fourth Proportional to 14,710.43, 20,295.43 and 8,336.34

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Solution

The fourth proportional to 14,710.43, 20,295.43 and 8,336.34 is: 11,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.43 : 20,295.43 = 8,336.34 : x
  2. Step 2: Convert to fraction form
    14,710.43/20,295.43 = 8,336.34/x
  3. Step 3: Cross multiply
    14,710.43x = 20,295.43 × 8,336.34
  4. Step 4: Simplify right side
    14,710.43x = 169,189,584.09
  5. Step 5: Solve for x
    x = 169,189,584.09/14,710.43
  6. Step 6: Final answer
    x = 11,501.33

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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.