Home / 10,212.91-14,093.45-6,240.67

Finding the Fourth Proportional to 10,212.91, 14,093.45 and 6,240.67

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Solution

The fourth proportional to 10,212.91, 14,093.45 and 6,240.67 is: 8,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.91 : 14,093.45 = 6,240.67 : x
  2. Step 2: Convert to fraction form
    10,212.91/14,093.45 = 6,240.67/x
  3. Step 3: Cross multiply
    10,212.91x = 14,093.45 × 6,240.67
  4. Step 4: Simplify right side
    10,212.91x = 87,952,468.94
  5. Step 5: Solve for x
    x = 87,952,468.94/10,212.91
  6. Step 6: Final answer
    x = 8,611.90

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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.