Home / 17,212.51-25,768.34-13,068.75

Finding the Fourth Proportional to 17,212.51, 25,768.34 and 13,068.75

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Solution

The fourth proportional to 17,212.51, 25,768.34 and 13,068.75 is: 19,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.51 : 25,768.34 = 13,068.75 : x
  2. Step 2: Convert to fraction form
    17,212.51/25,768.34 = 13,068.75/x
  3. Step 3: Cross multiply
    17,212.51x = 25,768.34 × 13,068.75
  4. Step 4: Simplify right side
    17,212.51x = 336,759,993.38
  5. Step 5: Solve for x
    x = 336,759,993.38/17,212.51
  6. Step 6: Final answer
    x = 19,564.84

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1.5x scale

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.