Home / 18,055.64-27,087.88-6,209.60

Finding the Fourth Proportional to 18,055.64, 27,087.88 and 6,209.60

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Solution

The fourth proportional to 18,055.64, 27,087.88 and 6,209.60 is: 9,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.64 : 27,087.88 = 6,209.60 : x
  2. Step 2: Convert to fraction form
    18,055.64/27,087.88 = 6,209.60/x
  3. Step 3: Cross multiply
    18,055.64x = 27,087.88 × 6,209.60
  4. Step 4: Simplify right side
    18,055.64x = 168,204,899.65
  5. Step 5: Solve for x
    x = 168,204,899.65/18,055.64
  6. Step 6: Final answer
    x = 9,315.92

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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.