Home / 9,436.26-13,018.41-6,078.81

Finding the Fourth Proportional to 9,436.26, 13,018.41 and 6,078.81

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Solution

The fourth proportional to 9,436.26, 13,018.41 and 6,078.81 is: 8,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.26 : 13,018.41 = 6,078.81 : x
  2. Step 2: Convert to fraction form
    9,436.26/13,018.41 = 6,078.81/x
  3. Step 3: Cross multiply
    9,436.26x = 13,018.41 × 6,078.81
  4. Step 4: Simplify right side
    9,436.26x = 79,136,440.89
  5. Step 5: Solve for x
    x = 79,136,440.89/9,436.26
  6. Step 6: Final answer
    x = 8,386.42

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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.