Home / 17,171.48-23,699.50-11,789.51

Finding the Fourth Proportional to 17,171.48, 23,699.50 and 11,789.51

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Solution

The fourth proportional to 17,171.48, 23,699.50 and 11,789.51 is: 16,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.48 : 23,699.50 = 11,789.51 : x
  2. Step 2: Convert to fraction form
    17,171.48/23,699.50 = 11,789.51/x
  3. Step 3: Cross multiply
    17,171.48x = 23,699.50 × 11,789.51
  4. Step 4: Simplify right side
    17,171.48x = 279,405,522.02
  5. Step 5: Solve for x
    x = 279,405,522.02/17,171.48
  6. Step 6: Final answer
    x = 16,271.49

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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.