Home / 13,821.36-19,073.48-7,533.76

Finding the Fourth Proportional to 13,821.36, 19,073.48 and 7,533.76

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Solution

The fourth proportional to 13,821.36, 19,073.48 and 7,533.76 is: 10,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.36 : 19,073.48 = 7,533.76 : x
  2. Step 2: Convert to fraction form
    13,821.36/19,073.48 = 7,533.76/x
  3. Step 3: Cross multiply
    13,821.36x = 19,073.48 × 7,533.76
  4. Step 4: Simplify right side
    13,821.36x = 143,695,020.68
  5. Step 5: Solve for x
    x = 143,695,020.68/13,821.36
  6. Step 6: Final answer
    x = 10,396.59

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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.