Home / 14,783.58-20,401.81-8,069.56

Finding the Fourth Proportional to 14,783.58, 20,401.81 and 8,069.56

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Solution

The fourth proportional to 14,783.58, 20,401.81 and 8,069.56 is: 11,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.58 : 20,401.81 = 8,069.56 : x
  2. Step 2: Convert to fraction form
    14,783.58/20,401.81 = 8,069.56/x
  3. Step 3: Cross multiply
    14,783.58x = 20,401.81 × 8,069.56
  4. Step 4: Simplify right side
    14,783.58x = 164,633,558.73
  5. Step 5: Solve for x
    x = 164,633,558.73/14,783.58
  6. Step 6: Final answer
    x = 11,136.24

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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.