Home / 14,099.46-21,149.46-4,239.06

Finding the Fourth Proportional to 14,099.46, 21,149.46 and 4,239.06

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Solution

The fourth proportional to 14,099.46, 21,149.46 and 4,239.06 is: 6,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.46 : 21,149.46 = 4,239.06 : x
  2. Step 2: Convert to fraction form
    14,099.46/21,149.46 = 4,239.06/x
  3. Step 3: Cross multiply
    14,099.46x = 21,149.46 × 4,239.06
  4. Step 4: Simplify right side
    14,099.46x = 89,653,829.91
  5. Step 5: Solve for x
    x = 89,653,829.91/14,099.46
  6. Step 6: Final answer
    x = 6,358.67

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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.