Home / 17,157.48-23,699.96-13,173.56

Finding the Fourth Proportional to 17,157.48, 23,699.96 and 13,173.56

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Solution

The fourth proportional to 17,157.48, 23,699.96 and 13,173.56 is: 18,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.48 : 23,699.96 = 13,173.56 : x
  2. Step 2: Convert to fraction form
    17,157.48/23,699.96 = 13,173.56/x
  3. Step 3: Cross multiply
    17,157.48x = 23,699.96 × 13,173.56
  4. Step 4: Simplify right side
    17,157.48x = 312,212,660.69
  5. Step 5: Solve for x
    x = 312,212,660.69/17,157.48
  6. Step 6: Final answer
    x = 18,196.88

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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.