Home / 17,321.66-23,887.95-11,351.15

Finding the Fourth Proportional to 17,321.66, 23,887.95 and 11,351.15

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Solution

The fourth proportional to 17,321.66, 23,887.95 and 11,351.15 is: 15,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.66 : 23,887.95 = 11,351.15 : x
  2. Step 2: Convert to fraction form
    17,321.66/23,887.95 = 11,351.15/x
  3. Step 3: Cross multiply
    17,321.66x = 23,887.95 × 11,351.15
  4. Step 4: Simplify right side
    17,321.66x = 271,155,703.64
  5. Step 5: Solve for x
    x = 271,155,703.64/17,321.66
  6. Step 6: Final answer
    x = 15,654.14

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1.5x scale

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.