Home / 9,869.83-13,629.46-6,339.19

Finding the Fourth Proportional to 9,869.83, 13,629.46 and 6,339.19

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Solution

The fourth proportional to 9,869.83, 13,629.46 and 6,339.19 is: 8,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.83 : 13,629.46 = 6,339.19 : x
  2. Step 2: Convert to fraction form
    9,869.83/13,629.46 = 6,339.19/x
  3. Step 3: Cross multiply
    9,869.83x = 13,629.46 × 6,339.19
  4. Step 4: Simplify right side
    9,869.83x = 86,399,636.69
  5. Step 5: Solve for x
    x = 86,399,636.69/9,869.83
  6. Step 6: Final answer
    x = 8,753.92

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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.