Home / 9,413.99-12,984.10-6,895.19

Finding the Fourth Proportional to 9,413.99, 12,984.10 and 6,895.19

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Solution

The fourth proportional to 9,413.99, 12,984.10 and 6,895.19 is: 9,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.99 : 12,984.10 = 6,895.19 : x
  2. Step 2: Convert to fraction form
    9,413.99/12,984.10 = 6,895.19/x
  3. Step 3: Cross multiply
    9,413.99x = 12,984.10 × 6,895.19
  4. Step 4: Simplify right side
    9,413.99x = 89,527,851.70
  5. Step 5: Solve for x
    x = 89,527,851.70/9,413.99
  6. Step 6: Final answer
    x = 9,510.09

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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.