Home / 15,413.06-21,258.58-9,363.27

Finding the Fourth Proportional to 15,413.06, 21,258.58 and 9,363.27

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Solution

The fourth proportional to 15,413.06, 21,258.58 and 9,363.27 is: 12,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.06 : 21,258.58 = 9,363.27 : x
  2. Step 2: Convert to fraction form
    15,413.06/21,258.58 = 9,363.27/x
  3. Step 3: Cross multiply
    15,413.06x = 21,258.58 × 9,363.27
  4. Step 4: Simplify right side
    15,413.06x = 199,049,824.36
  5. Step 5: Solve for x
    x = 199,049,824.36/15,413.06
  6. Step 6: Final answer
    x = 12,914.36

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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.