Home / 40,278.78-60,413.41-10,698.90

Finding the Fourth Proportional to 40,278.78, 60,413.41 and 10,698.90

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Solution

The fourth proportional to 40,278.78, 60,413.41 and 10,698.90 is: 16,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.78 : 60,413.41 = 10,698.90 : x
  2. Step 2: Convert to fraction form
    40,278.78/60,413.41 = 10,698.90/x
  3. Step 3: Cross multiply
    40,278.78x = 60,413.41 × 10,698.90
  4. Step 4: Simplify right side
    40,278.78x = 646,357,032.25
  5. Step 5: Solve for x
    x = 646,357,032.25/40,278.78
  6. Step 6: Final answer
    x = 16,047.09

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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.