Home / 12,047.64-18,074.16-5,028.84

Finding the Fourth Proportional to 12,047.64, 18,074.16 and 5,028.84

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Solution

The fourth proportional to 12,047.64, 18,074.16 and 5,028.84 is: 7,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.64 : 18,074.16 = 5,028.84 : x
  2. Step 2: Convert to fraction form
    12,047.64/18,074.16 = 5,028.84/x
  3. Step 3: Cross multiply
    12,047.64x = 18,074.16 × 5,028.84
  4. Step 4: Simplify right side
    12,047.64x = 90,892,058.77
  5. Step 5: Solve for x
    x = 90,892,058.77/12,047.64
  6. Step 6: Final answer
    x = 7,544.39

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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.