Home / 13,821.09-19,073.11-7,852.77

Finding the Fourth Proportional to 13,821.09, 19,073.11 and 7,852.77

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Solution

The fourth proportional to 13,821.09, 19,073.11 and 7,852.77 is: 10,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.09 : 19,073.11 = 7,852.77 : x
  2. Step 2: Convert to fraction form
    13,821.09/19,073.11 = 7,852.77/x
  3. Step 3: Cross multiply
    13,821.09x = 19,073.11 × 7,852.77
  4. Step 4: Simplify right side
    13,821.09x = 149,776,746.01
  5. Step 5: Solve for x
    x = 149,776,746.01/13,821.09
  6. Step 6: Final answer
    x = 10,836.83

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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.