Home / 13,299.90-19,950.60-4,982.10

Finding the Fourth Proportional to 13,299.90, 19,950.60 and 4,982.10

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Solution

The fourth proportional to 13,299.90, 19,950.60 and 4,982.10 is: 7,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.90 : 19,950.60 = 4,982.10 : x
  2. Step 2: Convert to fraction form
    13,299.90/19,950.60 = 4,982.10/x
  3. Step 3: Cross multiply
    13,299.90x = 19,950.60 × 4,982.10
  4. Step 4: Simplify right side
    13,299.90x = 99,395,884.26
  5. Step 5: Solve for x
    x = 99,395,884.26/13,299.90
  6. Step 6: Final answer
    x = 7,473.43

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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.