Home / 17,154.36-23,640.66-13,747.50

Finding the Fourth Proportional to 17,154.36, 23,640.66 and 13,747.50

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Solution

The fourth proportional to 17,154.36, 23,640.66 and 13,747.50 is: 18,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.36 : 23,640.66 = 13,747.50 : x
  2. Step 2: Convert to fraction form
    17,154.36/23,640.66 = 13,747.50/x
  3. Step 3: Cross multiply
    17,154.36x = 23,640.66 × 13,747.50
  4. Step 4: Simplify right side
    17,154.36x = 324,999,973.35
  5. Step 5: Solve for x
    x = 324,999,973.35/17,154.36
  6. Step 6: Final answer
    x = 18,945.62

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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.