Home / 18,288-25,237.44-9,904.50

Finding the Fourth Proportional to 18,288, 25,237.44 and 9,904.50

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Solution

The fourth proportional to 18,288, 25,237.44 and 9,904.50 is: 13,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288 : 25,237.44 = 9,904.50 : x
  2. Step 2: Convert to fraction form
    18,288/25,237.44 = 9,904.50/x
  3. Step 3: Cross multiply
    18,288x = 25,237.44 × 9,904.50
  4. Step 4: Simplify right side
    18,288x = 249,964,224.48
  5. Step 5: Solve for x
    x = 249,964,224.48/18,288
  6. Step 6: Final answer
    x = 13,668.21

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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.