Home / 12,740.10-19,100.43-4,944.66

Finding the Fourth Proportional to 12,740.10, 19,100.43 and 4,944.66

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Solution

The fourth proportional to 12,740.10, 19,100.43 and 4,944.66 is: 7,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.10 : 19,100.43 = 4,944.66 : x
  2. Step 2: Convert to fraction form
    12,740.10/19,100.43 = 4,944.66/x
  3. Step 3: Cross multiply
    12,740.10x = 19,100.43 × 4,944.66
  4. Step 4: Simplify right side
    12,740.10x = 94,445,132.20
  5. Step 5: Solve for x
    x = 94,445,132.20/12,740.10
  6. Step 6: Final answer
    x = 7,413.22

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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.