Home / 12,272.07-18,413.58-6,427.32

Finding the Fourth Proportional to 12,272.07, 18,413.58 and 6,427.32

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Solution

The fourth proportional to 12,272.07, 18,413.58 and 6,427.32 is: 9,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.07 : 18,413.58 = 6,427.32 : x
  2. Step 2: Convert to fraction form
    12,272.07/18,413.58 = 6,427.32/x
  3. Step 3: Cross multiply
    12,272.07x = 18,413.58 × 6,427.32
  4. Step 4: Simplify right side
    12,272.07x = 118,349,971.01
  5. Step 5: Solve for x
    x = 118,349,971.01/12,272.07
  6. Step 6: Final answer
    x = 9,643.85

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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.