Home / 13,918.83-20,896.06-11,957.01

Finding the Fourth Proportional to 13,918.83, 20,896.06 and 11,957.01

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Solution

The fourth proportional to 13,918.83, 20,896.06 and 11,957.01 is: 17,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.83 : 20,896.06 = 11,957.01 : x
  2. Step 2: Convert to fraction form
    13,918.83/20,896.06 = 11,957.01/x
  3. Step 3: Cross multiply
    13,918.83x = 20,896.06 × 11,957.01
  4. Step 4: Simplify right side
    13,918.83x = 249,854,398.38
  5. Step 5: Solve for x
    x = 249,854,398.38/13,918.83
  6. Step 6: Final answer
    x = 17,950.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.