Home / 17,138.02-23,643.50-11,167.50

Finding the Fourth Proportional to 17,138.02, 23,643.50 and 11,167.50

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Solution

The fourth proportional to 17,138.02, 23,643.50 and 11,167.50 is: 15,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.02 : 23,643.50 = 11,167.50 : x
  2. Step 2: Convert to fraction form
    17,138.02/23,643.50 = 11,167.50/x
  3. Step 3: Cross multiply
    17,138.02x = 23,643.50 × 11,167.50
  4. Step 4: Simplify right side
    17,138.02x = 264,038,786.25
  5. Step 5: Solve for x
    x = 264,038,786.25/17,138.02
  6. Step 6: Final answer
    x = 15,406.61

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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.