Home / 14,783.46-20,401.41-8,818.62

Finding the Fourth Proportional to 14,783.46, 20,401.41 and 8,818.62

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Solution

The fourth proportional to 14,783.46, 20,401.41 and 8,818.62 is: 12,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.46 : 20,401.41 = 8,818.62 : x
  2. Step 2: Convert to fraction form
    14,783.46/20,401.41 = 8,818.62/x
  3. Step 3: Cross multiply
    14,783.46x = 20,401.41 × 8,818.62
  4. Step 4: Simplify right side
    14,783.46x = 179,912,282.25
  5. Step 5: Solve for x
    x = 179,912,282.25/14,783.46
  6. Step 6: Final answer
    x = 12,169.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.