Home / 18,284.08-27,525.74-12,477.20

Finding the Fourth Proportional to 18,284.08, 27,525.74 and 12,477.20

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Solution

The fourth proportional to 18,284.08, 27,525.74 and 12,477.20 is: 18,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.08 : 27,525.74 = 12,477.20 : x
  2. Step 2: Convert to fraction form
    18,284.08/27,525.74 = 12,477.20/x
  3. Step 3: Cross multiply
    18,284.08x = 27,525.74 × 12,477.20
  4. Step 4: Simplify right side
    18,284.08x = 343,444,163.13
  5. Step 5: Solve for x
    x = 343,444,163.13/18,284.08
  6. Step 6: Final answer
    x = 18,783.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.