Home / 14,239.96-19,650.42-8,271.16

Finding the Fourth Proportional to 14,239.96, 19,650.42 and 8,271.16

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Solution

The fourth proportional to 14,239.96, 19,650.42 and 8,271.16 is: 11,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.96 : 19,650.42 = 8,271.16 : x
  2. Step 2: Convert to fraction form
    14,239.96/19,650.42 = 8,271.16/x
  3. Step 3: Cross multiply
    14,239.96x = 19,650.42 × 8,271.16
  4. Step 4: Simplify right side
    14,239.96x = 162,531,767.89
  5. Step 5: Solve for x
    x = 162,531,767.89/14,239.96
  6. Step 6: Final answer
    x = 11,413.78

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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.