Home / 10,686.37-14,743.94-6,209.25

Finding the Fourth Proportional to 10,686.37, 14,743.94 and 6,209.25

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Solution

The fourth proportional to 10,686.37, 14,743.94 and 6,209.25 is: 8,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.37 : 14,743.94 = 6,209.25 : x
  2. Step 2: Convert to fraction form
    10,686.37/14,743.94 = 6,209.25/x
  3. Step 3: Cross multiply
    10,686.37x = 14,743.94 × 6,209.25
  4. Step 4: Simplify right side
    10,686.37x = 91,548,809.45
  5. Step 5: Solve for x
    x = 91,548,809.45/10,686.37
  6. Step 6: Final answer
    x = 8,566.88

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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.