Home / 15,919.32-21,967.02-8,844.96

Finding the Fourth Proportional to 15,919.32, 21,967.02 and 8,844.96

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Solution

The fourth proportional to 15,919.32, 21,967.02 and 8,844.96 is: 12,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.32 : 21,967.02 = 8,844.96 : x
  2. Step 2: Convert to fraction form
    15,919.32/21,967.02 = 8,844.96/x
  3. Step 3: Cross multiply
    15,919.32x = 21,967.02 × 8,844.96
  4. Step 4: Simplify right side
    15,919.32x = 194,297,413.22
  5. Step 5: Solve for x
    x = 194,297,413.22/15,919.32
  6. Step 6: Final answer
    x = 12,205.13

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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.