Home / 13,012.75-19,519.18-3,152.01

Finding the Fourth Proportional to 13,012.75, 19,519.18 and 3,152.01

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Solution

The fourth proportional to 13,012.75, 19,519.18 and 3,152.01 is: 4,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.75 : 19,519.18 = 3,152.01 : x
  2. Step 2: Convert to fraction form
    13,012.75/19,519.18 = 3,152.01/x
  3. Step 3: Cross multiply
    13,012.75x = 19,519.18 × 3,152.01
  4. Step 4: Simplify right side
    13,012.75x = 61,524,715.87
  5. Step 5: Solve for x
    x = 61,524,715.87/13,012.75
  6. Step 6: Final answer
    x = 4,728.03

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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.