Home / 14,270.36-21,413.12-5,391.74

Finding the Fourth Proportional to 14,270.36, 21,413.12 and 5,391.74

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Solution

The fourth proportional to 14,270.36, 21,413.12 and 5,391.74 is: 8,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.36 : 21,413.12 = 5,391.74 : x
  2. Step 2: Convert to fraction form
    14,270.36/21,413.12 = 5,391.74/x
  3. Step 3: Cross multiply
    14,270.36x = 21,413.12 × 5,391.74
  4. Step 4: Simplify right side
    14,270.36x = 115,453,975.63
  5. Step 5: Solve for x
    x = 115,453,975.63/14,270.36
  6. Step 6: Final answer
    x = 8,090.47

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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.