Home / 12,435.98-18,653.37-4,644.19

Finding the Fourth Proportional to 12,435.98, 18,653.37 and 4,644.19

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Solution

The fourth proportional to 12,435.98, 18,653.37 and 4,644.19 is: 6,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.98 : 18,653.37 = 4,644.19 : x
  2. Step 2: Convert to fraction form
    12,435.98/18,653.37 = 4,644.19/x
  3. Step 3: Cross multiply
    12,435.98x = 18,653.37 × 4,644.19
  4. Step 4: Simplify right side
    12,435.98x = 86,629,730.37
  5. Step 5: Solve for x
    x = 86,629,730.37/12,435.98
  6. Step 6: Final answer
    x = 6,966.05

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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.