Home / 20,961.69-31,441.59-5,968.86

Finding the Fourth Proportional to 20,961.69, 31,441.59 and 5,968.86

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Solution

The fourth proportional to 20,961.69, 31,441.59 and 5,968.86 is: 8,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,961.69 : 31,441.59 = 5,968.86 : x
  2. Step 2: Convert to fraction form
    20,961.69/31,441.59 = 5,968.86/x
  3. Step 3: Cross multiply
    20,961.69x = 31,441.59 × 5,968.86
  4. Step 4: Simplify right side
    20,961.69x = 187,670,448.89
  5. Step 5: Solve for x
    x = 187,670,448.89/20,961.69
  6. Step 6: Final answer
    x = 8,953.02

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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.