Home / 18,745.16-28,117.73-5,606.75

Finding the Fourth Proportional to 18,745.16, 28,117.73 and 5,606.75

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Solution

The fourth proportional to 18,745.16, 28,117.73 and 5,606.75 is: 8,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.16 : 28,117.73 = 5,606.75 : x
  2. Step 2: Convert to fraction form
    18,745.16/28,117.73 = 5,606.75/x
  3. Step 3: Cross multiply
    18,745.16x = 28,117.73 × 5,606.75
  4. Step 4: Simplify right side
    18,745.16x = 157,649,166.99
  5. Step 5: Solve for x
    x = 157,649,166.99/18,745.16
  6. Step 6: Final answer
    x = 8,410.13

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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.