Home / 9,661.12-14,485.44-3,085.12

Finding the Fourth Proportional to 9,661.12, 14,485.44 and 3,085.12

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Solution

The fourth proportional to 9,661.12, 14,485.44 and 3,085.12 is: 4,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.12 : 14,485.44 = 3,085.12 : x
  2. Step 2: Convert to fraction form
    9,661.12/14,485.44 = 3,085.12/x
  3. Step 3: Cross multiply
    9,661.12x = 14,485.44 × 3,085.12
  4. Step 4: Simplify right side
    9,661.12x = 44,689,320.65
  5. Step 5: Solve for x
    x = 44,689,320.65/9,661.12
  6. Step 6: Final answer
    x = 4,625.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.