Home / 12,056.20-18,084.30-4,265.80

Finding the Fourth Proportional to 12,056.20, 18,084.30 and 4,265.80

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Solution

The fourth proportional to 12,056.20, 18,084.30 and 4,265.80 is: 6,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.20 : 18,084.30 = 4,265.80 : x
  2. Step 2: Convert to fraction form
    12,056.20/18,084.30 = 4,265.80/x
  3. Step 3: Cross multiply
    12,056.20x = 18,084.30 × 4,265.80
  4. Step 4: Simplify right side
    12,056.20x = 77,144,006.94
  5. Step 5: Solve for x
    x = 77,144,006.94/12,056.20
  6. Step 6: Final answer
    x = 6,398.70

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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.