Home / 9,686.07-13,369.61-6,329.43

Finding the Fourth Proportional to 9,686.07, 13,369.61 and 6,329.43

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Solution

The fourth proportional to 9,686.07, 13,369.61 and 6,329.43 is: 8,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.07 : 13,369.61 = 6,329.43 : x
  2. Step 2: Convert to fraction form
    9,686.07/13,369.61 = 6,329.43/x
  3. Step 3: Cross multiply
    9,686.07x = 13,369.61 × 6,329.43
  4. Step 4: Simplify right side
    9,686.07x = 84,622,026.45
  5. Step 5: Solve for x
    x = 84,622,026.45/9,686.07
  6. Step 6: Final answer
    x = 8,736.47

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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.