Home / 18,632.58-27,949.35-5,485.38

Finding the Fourth Proportional to 18,632.58, 27,949.35 and 5,485.38

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Solution

The fourth proportional to 18,632.58, 27,949.35 and 5,485.38 is: 8,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.58 : 27,949.35 = 5,485.38 : x
  2. Step 2: Convert to fraction form
    18,632.58/27,949.35 = 5,485.38/x
  3. Step 3: Cross multiply
    18,632.58x = 27,949.35 × 5,485.38
  4. Step 4: Simplify right side
    18,632.58x = 153,312,805.50
  5. Step 5: Solve for x
    x = 153,312,805.50/18,632.58
  6. Step 6: Final answer
    x = 8,228.21

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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.