Home / 18,703.04-28,046.37-5,556.20

Finding the Fourth Proportional to 18,703.04, 28,046.37 and 5,556.20

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Solution

The fourth proportional to 18,703.04, 28,046.37 and 5,556.20 is: 8,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.04 : 28,046.37 = 5,556.20 : x
  2. Step 2: Convert to fraction form
    18,703.04/28,046.37 = 5,556.20/x
  3. Step 3: Cross multiply
    18,703.04x = 28,046.37 × 5,556.20
  4. Step 4: Simplify right side
    18,703.04x = 155,831,240.99
  5. Step 5: Solve for x
    x = 155,831,240.99/18,703.04
  6. Step 6: Final answer
    x = 8,331.87

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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.