Home / 9,206.18-12,700.74-6,413.30

Finding the Fourth Proportional to 9,206.18, 12,700.74 and 6,413.30

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Solution

The fourth proportional to 9,206.18, 12,700.74 and 6,413.30 is: 8,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.18 : 12,700.74 = 6,413.30 : x
  2. Step 2: Convert to fraction form
    9,206.18/12,700.74 = 6,413.30/x
  3. Step 3: Cross multiply
    9,206.18x = 12,700.74 × 6,413.30
  4. Step 4: Simplify right side
    9,206.18x = 81,453,655.84
  5. Step 5: Solve for x
    x = 81,453,655.84/9,206.18
  6. Step 6: Final answer
    x = 8,847.71

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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.