Home / 12,608.32-18,907.01-4,286.10

Finding the Fourth Proportional to 12,608.32, 18,907.01 and 4,286.10

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Solution

The fourth proportional to 12,608.32, 18,907.01 and 4,286.10 is: 6,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.32 : 18,907.01 = 4,286.10 : x
  2. Step 2: Convert to fraction form
    12,608.32/18,907.01 = 4,286.10/x
  3. Step 3: Cross multiply
    12,608.32x = 18,907.01 × 4,286.10
  4. Step 4: Simplify right side
    12,608.32x = 81,037,314.13
  5. Step 5: Solve for x
    x = 81,037,314.13/12,608.32
  6. Step 6: Final answer
    x = 6,427.29

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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.