Home / 13,904.63-20,856.94-5,584.65

Finding the Fourth Proportional to 13,904.63, 20,856.94 and 5,584.65

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Solution

The fourth proportional to 13,904.63, 20,856.94 and 5,584.65 is: 8,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.63 : 20,856.94 = 5,584.65 : x
  2. Step 2: Convert to fraction form
    13,904.63/20,856.94 = 5,584.65/x
  3. Step 3: Cross multiply
    13,904.63x = 20,856.94 × 5,584.65
  4. Step 4: Simplify right side
    13,904.63x = 116,478,605.69
  5. Step 5: Solve for x
    x = 116,478,605.69/13,904.63
  6. Step 6: Final answer
    x = 8,376.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.