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Finding the Fourth Proportional to 16,674.18, 25,011.31 and 6,813.46

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Solution

The fourth proportional to 16,674.18, 25,011.31 and 6,813.46 is: 10,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.18 : 25,011.31 = 6,813.46 : x
  2. Step 2: Convert to fraction form
    16,674.18/25,011.31 = 6,813.46/x
  3. Step 3: Cross multiply
    16,674.18x = 25,011.31 × 6,813.46
  4. Step 4: Simplify right side
    16,674.18x = 170,413,497.70
  5. Step 5: Solve for x
    x = 170,413,497.70/16,674.18
  6. Step 6: Final answer
    x = 10,220.20

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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.