Home / 13,396.29-20,099.94-4,631.91

Finding the Fourth Proportional to 13,396.29, 20,099.94 and 4,631.91

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Solution

The fourth proportional to 13,396.29, 20,099.94 and 4,631.91 is: 6,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.29 : 20,099.94 = 4,631.91 : x
  2. Step 2: Convert to fraction form
    13,396.29/20,099.94 = 4,631.91/x
  3. Step 3: Cross multiply
    13,396.29x = 20,099.94 × 4,631.91
  4. Step 4: Simplify right side
    13,396.29x = 93,101,113.09
  5. Step 5: Solve for x
    x = 93,101,113.09/13,396.29
  6. Step 6: Final answer
    x = 6,949.77

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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.