Home / 13,821.26-19,073.34-7,533.64

Finding the Fourth Proportional to 13,821.26, 19,073.34 and 7,533.64

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Solution

The fourth proportional to 13,821.26, 19,073.34 and 7,533.64 is: 10,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.26 : 19,073.34 = 7,533.64 : x
  2. Step 2: Convert to fraction form
    13,821.26/19,073.34 = 7,533.64/x
  3. Step 3: Cross multiply
    13,821.26x = 19,073.34 × 7,533.64
  4. Step 4: Simplify right side
    13,821.26x = 143,691,677.16
  5. Step 5: Solve for x
    x = 143,691,677.16/13,821.26
  6. Step 6: Final answer
    x = 10,396.42

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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.