Home / 11,688.51-17,522.37-4,291.28

Finding the Fourth Proportional to 11,688.51, 17,522.37 and 4,291.28

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Solution

The fourth proportional to 11,688.51, 17,522.37 and 4,291.28 is: 6,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.51 : 17,522.37 = 4,291.28 : x
  2. Step 2: Convert to fraction form
    11,688.51/17,522.37 = 4,291.28/x
  3. Step 3: Cross multiply
    11,688.51x = 17,522.37 × 4,291.28
  4. Step 4: Simplify right side
    11,688.51x = 75,193,395.93
  5. Step 5: Solve for x
    x = 75,193,395.93/11,688.51
  6. Step 6: Final answer
    x = 6,433.10

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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.