Home / 12,435.88-18,653.19-4,644.10

Finding the Fourth Proportional to 12,435.88, 18,653.19 and 4,644.10

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Solution

The fourth proportional to 12,435.88, 18,653.19 and 4,644.10 is: 6,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.88 : 18,653.19 = 4,644.10 : x
  2. Step 2: Convert to fraction form
    12,435.88/18,653.19 = 4,644.10/x
  3. Step 3: Cross multiply
    12,435.88x = 18,653.19 × 4,644.10
  4. Step 4: Simplify right side
    12,435.88x = 86,627,279.68
  5. Step 5: Solve for x
    x = 86,627,279.68/12,435.88
  6. Step 6: Final answer
    x = 6,965.91

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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.