Home / 13,631.14-20,410.23-8,004.17

Finding the Fourth Proportional to 13,631.14, 20,410.23 and 8,004.17

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Solution

The fourth proportional to 13,631.14, 20,410.23 and 8,004.17 is: 11,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.14 : 20,410.23 = 8,004.17 : x
  2. Step 2: Convert to fraction form
    13,631.14/20,410.23 = 8,004.17/x
  3. Step 3: Cross multiply
    13,631.14x = 20,410.23 × 8,004.17
  4. Step 4: Simplify right side
    13,631.14x = 163,366,950.66
  5. Step 5: Solve for x
    x = 163,366,950.66/13,631.14
  6. Step 6: Final answer
    x = 11,984.83

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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.