Home / 13,383.34-20,062.58-4,945.18

Finding the Fourth Proportional to 13,383.34, 20,062.58 and 4,945.18

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Solution

The fourth proportional to 13,383.34, 20,062.58 and 4,945.18 is: 7,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.34 : 20,062.58 = 4,945.18 : x
  2. Step 2: Convert to fraction form
    13,383.34/20,062.58 = 4,945.18/x
  3. Step 3: Cross multiply
    13,383.34x = 20,062.58 × 4,945.18
  4. Step 4: Simplify right side
    13,383.34x = 99,213,069.36
  5. Step 5: Solve for x
    x = 99,213,069.36/13,383.34
  6. Step 6: Final answer
    x = 7,413.18

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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.