Home / 15,815.02-23,726.63-8,413.39

Finding the Fourth Proportional to 15,815.02, 23,726.63 and 8,413.39

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Solution

The fourth proportional to 15,815.02, 23,726.63 and 8,413.39 is: 12,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.02 : 23,726.63 = 8,413.39 : x
  2. Step 2: Convert to fraction form
    15,815.02/23,726.63 = 8,413.39/x
  3. Step 3: Cross multiply
    15,815.02x = 23,726.63 × 8,413.39
  4. Step 4: Simplify right side
    15,815.02x = 199,621,391.58
  5. Step 5: Solve for x
    x = 199,621,391.58/15,815.02
  6. Step 6: Final answer
    x = 12,622.27

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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.