Home / 14,601.39-20,149.92-8,313.75

Finding the Fourth Proportional to 14,601.39, 20,149.92 and 8,313.75

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Solution

The fourth proportional to 14,601.39, 20,149.92 and 8,313.75 is: 11,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.39 : 20,149.92 = 8,313.75 : x
  2. Step 2: Convert to fraction form
    14,601.39/20,149.92 = 8,313.75/x
  3. Step 3: Cross multiply
    14,601.39x = 20,149.92 × 8,313.75
  4. Step 4: Simplify right side
    14,601.39x = 167,521,397.40
  5. Step 5: Solve for x
    x = 167,521,397.40/14,601.39
  6. Step 6: Final answer
    x = 11,472.98

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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.