Home / 18,413.46-25,409.70-10,454.64

Finding the Fourth Proportional to 18,413.46, 25,409.70 and 10,454.64

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Solution

The fourth proportional to 18,413.46, 25,409.70 and 10,454.64 is: 14,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.46 : 25,409.70 = 10,454.64 : x
  2. Step 2: Convert to fraction form
    18,413.46/25,409.70 = 10,454.64/x
  3. Step 3: Cross multiply
    18,413.46x = 25,409.70 × 10,454.64
  4. Step 4: Simplify right side
    18,413.46x = 265,649,266.01
  5. Step 5: Solve for x
    x = 265,649,266.01/18,413.46
  6. Step 6: Final answer
    x = 14,426.91

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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.