Home / 19,368.57-29,049.36-5,137.14

Finding the Fourth Proportional to 19,368.57, 29,049.36 and 5,137.14

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Solution

The fourth proportional to 19,368.57, 29,049.36 and 5,137.14 is: 7,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.57 : 29,049.36 = 5,137.14 : x
  2. Step 2: Convert to fraction form
    19,368.57/29,049.36 = 5,137.14/x
  3. Step 3: Cross multiply
    19,368.57x = 29,049.36 × 5,137.14
  4. Step 4: Simplify right side
    19,368.57x = 149,230,629.23
  5. Step 5: Solve for x
    x = 149,230,629.23/19,368.57
  6. Step 6: Final answer
    x = 7,704.78

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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.