Home / 12,943.32-19,413.36-4,177.32

Finding the Fourth Proportional to 12,943.32, 19,413.36 and 4,177.32

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Solution

The fourth proportional to 12,943.32, 19,413.36 and 4,177.32 is: 6,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.32 : 19,413.36 = 4,177.32 : x
  2. Step 2: Convert to fraction form
    12,943.32/19,413.36 = 4,177.32/x
  3. Step 3: Cross multiply
    12,943.32x = 19,413.36 × 4,177.32
  4. Step 4: Simplify right side
    12,943.32x = 81,095,817.00
  5. Step 5: Solve for x
    x = 81,095,817.00/12,943.32
  6. Step 6: Final answer
    x = 6,265.46

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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.