Home / 13,342.08-18,413.44-9,618.24

Finding the Fourth Proportional to 13,342.08, 18,413.44 and 9,618.24

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Solution

The fourth proportional to 13,342.08, 18,413.44 and 9,618.24 is: 13,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.08 : 18,413.44 = 9,618.24 : x
  2. Step 2: Convert to fraction form
    13,342.08/18,413.44 = 9,618.24/x
  3. Step 3: Cross multiply
    13,342.08x = 18,413.44 × 9,618.24
  4. Step 4: Simplify right side
    13,342.08x = 177,104,885.15
  5. Step 5: Solve for x
    x = 177,104,885.15/13,342.08
  6. Step 6: Final answer
    x = 13,274.16

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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.