Home / 9,378.26-12,935.90-6,015.75

Finding the Fourth Proportional to 9,378.26, 12,935.90 and 6,015.75

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Solution

The fourth proportional to 9,378.26, 12,935.90 and 6,015.75 is: 8,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.26 : 12,935.90 = 6,015.75 : x
  2. Step 2: Convert to fraction form
    9,378.26/12,935.90 = 6,015.75/x
  3. Step 3: Cross multiply
    9,378.26x = 12,935.90 × 6,015.75
  4. Step 4: Simplify right side
    9,378.26x = 77,819,140.43
  5. Step 5: Solve for x
    x = 77,819,140.43/9,378.26
  6. Step 6: Final answer
    x = 8,297.82

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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.