Home / 11,703.22-16,148.91-6,986.50

Finding the Fourth Proportional to 11,703.22, 16,148.91 and 6,986.50

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Solution

The fourth proportional to 11,703.22, 16,148.91 and 6,986.50 is: 9,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.22 : 16,148.91 = 6,986.50 : x
  2. Step 2: Convert to fraction form
    11,703.22/16,148.91 = 6,986.50/x
  3. Step 3: Cross multiply
    11,703.22x = 16,148.91 × 6,986.50
  4. Step 4: Simplify right side
    11,703.22x = 112,824,359.72
  5. Step 5: Solve for x
    x = 112,824,359.72/11,703.22
  6. Step 6: Final answer
    x = 9,640.45

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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.