Home / 18,703.62-28,054.89-5,556.24

Finding the Fourth Proportional to 18,703.62, 28,054.89 and 5,556.24

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Solution

The fourth proportional to 18,703.62, 28,054.89 and 5,556.24 is: 8,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.62 : 28,054.89 = 5,556.24 : x
  2. Step 2: Convert to fraction form
    18,703.62/28,054.89 = 5,556.24/x
  3. Step 3: Cross multiply
    18,703.62x = 28,054.89 × 5,556.24
  4. Step 4: Simplify right side
    18,703.62x = 155,879,702.01
  5. Step 5: Solve for x
    x = 155,879,702.01/18,703.62
  6. Step 6: Final answer
    x = 8,334.20

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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.