Home / 12,263.80-18,396.90-4,470.78

Finding the Fourth Proportional to 12,263.80, 18,396.90 and 4,470.78

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Solution

The fourth proportional to 12,263.80, 18,396.90 and 4,470.78 is: 6,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.80 : 18,396.90 = 4,470.78 : x
  2. Step 2: Convert to fraction form
    12,263.80/18,396.90 = 4,470.78/x
  3. Step 3: Cross multiply
    12,263.80x = 18,396.90 × 4,470.78
  4. Step 4: Simplify right side
    12,263.80x = 82,248,492.58
  5. Step 5: Solve for x
    x = 82,248,492.58/12,263.80
  6. Step 6: Final answer
    x = 6,706.61

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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.