Home / 18,735.84-25,849.26-12,365.60

Finding the Fourth Proportional to 18,735.84, 25,849.26 and 12,365.60

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Solution

The fourth proportional to 18,735.84, 25,849.26 and 12,365.60 is: 17,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.84 : 25,849.26 = 12,365.60 : x
  2. Step 2: Convert to fraction form
    18,735.84/25,849.26 = 12,365.60/x
  3. Step 3: Cross multiply
    18,735.84x = 25,849.26 × 12,365.60
  4. Step 4: Simplify right side
    18,735.84x = 319,641,480.21
  5. Step 5: Solve for x
    x = 319,641,480.21/18,735.84
  6. Step 6: Final answer
    x = 17,060.43

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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.