Home / 13,565.75-20,346.66-6,899.51

Finding the Fourth Proportional to 13,565.75, 20,346.66 and 6,899.51

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Solution

The fourth proportional to 13,565.75, 20,346.66 and 6,899.51 is: 10,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.75 : 20,346.66 = 6,899.51 : x
  2. Step 2: Convert to fraction form
    13,565.75/20,346.66 = 6,899.51/x
  3. Step 3: Cross multiply
    13,565.75x = 20,346.66 × 6,899.51
  4. Step 4: Simplify right side
    13,565.75x = 140,382,035.00
  5. Step 5: Solve for x
    x = 140,382,035.00/13,565.75
  6. Step 6: Final answer
    x = 10,348.27

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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.