Home / 13,811.01-20,715.99-4,451.52

Finding the Fourth Proportional to 13,811.01, 20,715.99 and 4,451.52

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Solution

The fourth proportional to 13,811.01, 20,715.99 and 4,451.52 is: 6,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.01 : 20,715.99 = 4,451.52 : x
  2. Step 2: Convert to fraction form
    13,811.01/20,715.99 = 4,451.52/x
  3. Step 3: Cross multiply
    13,811.01x = 20,715.99 × 4,451.52
  4. Step 4: Simplify right side
    13,811.01x = 92,217,643.80
  5. Step 5: Solve for x
    x = 92,217,643.80/13,811.01
  6. Step 6: Final answer
    x = 6,677.11

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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.