Home / 11,751.16-17,626.77-2,986.06

Finding the Fourth Proportional to 11,751.16, 17,626.77 and 2,986.06

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Solution

The fourth proportional to 11,751.16, 17,626.77 and 2,986.06 is: 4,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.16 : 17,626.77 = 2,986.06 : x
  2. Step 2: Convert to fraction form
    11,751.16/17,626.77 = 2,986.06/x
  3. Step 3: Cross multiply
    11,751.16x = 17,626.77 × 2,986.06
  4. Step 4: Simplify right side
    11,751.16x = 52,634,592.83
  5. Step 5: Solve for x
    x = 52,634,592.83/11,751.16
  6. Step 6: Final answer
    x = 4,479.10

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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.