Home / 18,054.16-27,079.44-5,570.80

Finding the Fourth Proportional to 18,054.16, 27,079.44 and 5,570.80

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Solution

The fourth proportional to 18,054.16, 27,079.44 and 5,570.80 is: 8,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.16 : 27,079.44 = 5,570.80 : x
  2. Step 2: Convert to fraction form
    18,054.16/27,079.44 = 5,570.80/x
  3. Step 3: Cross multiply
    18,054.16x = 27,079.44 × 5,570.80
  4. Step 4: Simplify right side
    18,054.16x = 150,854,144.35
  5. Step 5: Solve for x
    x = 150,854,144.35/18,054.16
  6. Step 6: Final answer
    x = 8,355.64

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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.