Home / 17,120.31-25,636.61-11,848.02

Finding the Fourth Proportional to 17,120.31, 25,636.61 and 11,848.02

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Solution

The fourth proportional to 17,120.31, 25,636.61 and 11,848.02 is: 17,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.31 : 25,636.61 = 11,848.02 : x
  2. Step 2: Convert to fraction form
    17,120.31/25,636.61 = 11,848.02/x
  3. Step 3: Cross multiply
    17,120.31x = 25,636.61 × 11,848.02
  4. Step 4: Simplify right side
    17,120.31x = 303,742,939.83
  5. Step 5: Solve for x
    x = 303,742,939.83/17,120.31
  6. Step 6: Final answer
    x = 17,741.68

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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.