Home / 12,604.02-17,390.34-8,413.08

Finding the Fourth Proportional to 12,604.02, 17,390.34 and 8,413.08

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Solution

The fourth proportional to 12,604.02, 17,390.34 and 8,413.08 is: 11,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.02 : 17,390.34 = 8,413.08 : x
  2. Step 2: Convert to fraction form
    12,604.02/17,390.34 = 8,413.08/x
  3. Step 3: Cross multiply
    12,604.02x = 17,390.34 × 8,413.08
  4. Step 4: Simplify right side
    12,604.02x = 146,306,321.65
  5. Step 5: Solve for x
    x = 146,306,321.65/12,604.02
  6. Step 6: Final answer
    x = 11,607.91

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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.