Home / 13,299.38-19,940.76-4,975.01

Finding the Fourth Proportional to 13,299.38, 19,940.76 and 4,975.01

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Solution

The fourth proportional to 13,299.38, 19,940.76 and 4,975.01 is: 7,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.38 : 19,940.76 = 4,975.01 : x
  2. Step 2: Convert to fraction form
    13,299.38/19,940.76 = 4,975.01/x
  3. Step 3: Cross multiply
    13,299.38x = 19,940.76 × 4,975.01
  4. Step 4: Simplify right side
    13,299.38x = 99,205,380.70
  5. Step 5: Solve for x
    x = 99,205,380.70/13,299.38
  6. Step 6: Final answer
    x = 7,459.40

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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.