Home / 14,244.08-19,653.48-8,272.21

Finding the Fourth Proportional to 14,244.08, 19,653.48 and 8,272.21

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Solution

The fourth proportional to 14,244.08, 19,653.48 and 8,272.21 is: 11,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.08 : 19,653.48 = 8,272.21 : x
  2. Step 2: Convert to fraction form
    14,244.08/19,653.48 = 8,272.21/x
  3. Step 3: Cross multiply
    14,244.08x = 19,653.48 × 8,272.21
  4. Step 4: Simplify right side
    14,244.08x = 162,577,664.66
  5. Step 5: Solve for x
    x = 162,577,664.66/14,244.08
  6. Step 6: Final answer
    x = 11,413.70

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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.