Home / 13,863.23-20,788.67-4,000.17

Finding the Fourth Proportional to 13,863.23, 20,788.67 and 4,000.17

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Solution

The fourth proportional to 13,863.23, 20,788.67 and 4,000.17 is: 5,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.23 : 20,788.67 = 4,000.17 : x
  2. Step 2: Convert to fraction form
    13,863.23/20,788.67 = 4,000.17/x
  3. Step 3: Cross multiply
    13,863.23x = 20,788.67 × 4,000.17
  4. Step 4: Simplify right side
    13,863.23x = 83,158,110.13
  5. Step 5: Solve for x
    x = 83,158,110.13/13,863.23
  6. Step 6: Final answer
    x = 5,998.47

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1.5x scale

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.