Home / 13,828.77-19,083.20-7,541.01

Finding the Fourth Proportional to 13,828.77, 19,083.20 and 7,541.01

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Solution

The fourth proportional to 13,828.77, 19,083.20 and 7,541.01 is: 10,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.77 : 19,083.20 = 7,541.01 : x
  2. Step 2: Convert to fraction form
    13,828.77/19,083.20 = 7,541.01/x
  3. Step 3: Cross multiply
    13,828.77x = 19,083.20 × 7,541.01
  4. Step 4: Simplify right side
    13,828.77x = 143,906,564.33
  5. Step 5: Solve for x
    x = 143,906,564.33/13,828.77
  6. Step 6: Final answer
    x = 10,406.32

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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.