Home / 12,413.60-18,620.31-4,094.28

Finding the Fourth Proportional to 12,413.60, 18,620.31 and 4,094.28

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Solution

The fourth proportional to 12,413.60, 18,620.31 and 4,094.28 is: 6,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.60 : 18,620.31 = 4,094.28 : x
  2. Step 2: Convert to fraction form
    12,413.60/18,620.31 = 4,094.28/x
  3. Step 3: Cross multiply
    12,413.60x = 18,620.31 × 4,094.28
  4. Step 4: Simplify right side
    12,413.60x = 76,236,848.10
  5. Step 5: Solve for x
    x = 76,236,848.10/12,413.60
  6. Step 6: Final answer
    x = 6,141.40

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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.