Home / 11,238.41-16,858.42-4,312.91

Finding the Fourth Proportional to 11,238.41, 16,858.42 and 4,312.91

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Solution

The fourth proportional to 11,238.41, 16,858.42 and 4,312.91 is: 6,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.41 : 16,858.42 = 4,312.91 : x
  2. Step 2: Convert to fraction form
    11,238.41/16,858.42 = 4,312.91/x
  3. Step 3: Cross multiply
    11,238.41x = 16,858.42 × 4,312.91
  4. Step 4: Simplify right side
    11,238.41x = 72,708,763.91
  5. Step 5: Solve for x
    x = 72,708,763.91/11,238.41
  6. Step 6: Final answer
    x = 6,469.67

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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.