Home / 14,615.69-21,939.03-11,875.44

Finding the Fourth Proportional to 14,615.69, 21,939.03 and 11,875.44

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Solution

The fourth proportional to 14,615.69, 21,939.03 and 11,875.44 is: 17,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.69 : 21,939.03 = 11,875.44 : x
  2. Step 2: Convert to fraction form
    14,615.69/21,939.03 = 11,875.44/x
  3. Step 3: Cross multiply
    14,615.69x = 21,939.03 × 11,875.44
  4. Step 4: Simplify right side
    14,615.69x = 260,535,634.42
  5. Step 5: Solve for x
    x = 260,535,634.42/14,615.69
  6. Step 6: Final answer
    x = 17,825.75

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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.