Home / 12,816.46-19,217.86-6,573.96

Finding the Fourth Proportional to 12,816.46, 19,217.86 and 6,573.96

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Solution

The fourth proportional to 12,816.46, 19,217.86 and 6,573.96 is: 9,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.46 : 19,217.86 = 6,573.96 : x
  2. Step 2: Convert to fraction form
    12,816.46/19,217.86 = 6,573.96/x
  3. Step 3: Cross multiply
    12,816.46x = 19,217.86 × 6,573.96
  4. Step 4: Simplify right side
    12,816.46x = 126,337,426.49
  5. Step 5: Solve for x
    x = 126,337,426.49/12,816.46
  6. Step 6: Final answer
    x = 9,857.43

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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.