Home / 14,299.38-19,720.89-8,632.92

Finding the Fourth Proportional to 14,299.38, 19,720.89 and 8,632.92

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Solution

The fourth proportional to 14,299.38, 19,720.89 and 8,632.92 is: 11,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.38 : 19,720.89 = 8,632.92 : x
  2. Step 2: Convert to fraction form
    14,299.38/19,720.89 = 8,632.92/x
  3. Step 3: Cross multiply
    14,299.38x = 19,720.89 × 8,632.92
  4. Step 4: Simplify right side
    14,299.38x = 170,248,865.70
  5. Step 5: Solve for x
    x = 170,248,865.70/14,299.38
  6. Step 6: Final answer
    x = 11,906.03

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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.