Home / 13,821-19,072.98-7,533.42

Finding the Fourth Proportional to 13,821, 19,072.98 and 7,533.42

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Solution

The fourth proportional to 13,821, 19,072.98 and 7,533.42 is: 10,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821 : 19,072.98 = 7,533.42 : x
  2. Step 2: Convert to fraction form
    13,821/19,072.98 = 7,533.42/x
  3. Step 3: Cross multiply
    13,821x = 19,072.98 × 7,533.42
  4. Step 4: Simplify right side
    13,821x = 143,684,768.99
  5. Step 5: Solve for x
    x = 143,684,768.99/13,821
  6. Step 6: Final answer
    x = 10,396.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.