Home / 9,641.40-13,310.38-6,286.26

Finding the Fourth Proportional to 9,641.40, 13,310.38 and 6,286.26

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Solution

The fourth proportional to 9,641.40, 13,310.38 and 6,286.26 is: 8,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641.40 : 13,310.38 = 6,286.26 : x
  2. Step 2: Convert to fraction form
    9,641.40/13,310.38 = 6,286.26/x
  3. Step 3: Cross multiply
    9,641.40x = 13,310.38 × 6,286.26
  4. Step 4: Simplify right side
    9,641.40x = 83,672,509.38
  5. Step 5: Solve for x
    x = 83,672,509.38/9,641.40
  6. Step 6: Final answer
    x = 8,678.46

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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.