Home / 12,050.10-18,078.66-4,259.52

Finding the Fourth Proportional to 12,050.10, 18,078.66 and 4,259.52

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Solution

The fourth proportional to 12,050.10, 18,078.66 and 4,259.52 is: 6,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050.10 : 18,078.66 = 4,259.52 : x
  2. Step 2: Convert to fraction form
    12,050.10/18,078.66 = 4,259.52/x
  3. Step 3: Cross multiply
    12,050.10x = 18,078.66 × 4,259.52
  4. Step 4: Simplify right side
    12,050.10x = 77,006,413.84
  5. Step 5: Solve for x
    x = 77,006,413.84/12,050.10
  6. Step 6: Final answer
    x = 6,390.52

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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.