Home / 13,316.32-19,957.08-6,738.94

Finding the Fourth Proportional to 13,316.32, 19,957.08 and 6,738.94

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Solution

The fourth proportional to 13,316.32, 19,957.08 and 6,738.94 is: 10,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.32 : 19,957.08 = 6,738.94 : x
  2. Step 2: Convert to fraction form
    13,316.32/19,957.08 = 6,738.94/x
  3. Step 3: Cross multiply
    13,316.32x = 19,957.08 × 6,738.94
  4. Step 4: Simplify right side
    13,316.32x = 134,489,564.70
  5. Step 5: Solve for x
    x = 134,489,564.70/13,316.32
  6. Step 6: Final answer
    x = 10,099.60

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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.