Home / 14,418.41-21,619.04-6,918.35

Finding the Fourth Proportional to 14,418.41, 21,619.04 and 6,918.35

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Solution

The fourth proportional to 14,418.41, 21,619.04 and 6,918.35 is: 10,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.41 : 21,619.04 = 6,918.35 : x
  2. Step 2: Convert to fraction form
    14,418.41/21,619.04 = 6,918.35/x
  3. Step 3: Cross multiply
    14,418.41x = 21,619.04 × 6,918.35
  4. Step 4: Simplify right side
    14,418.41x = 149,567,942.70
  5. Step 5: Solve for x
    x = 149,567,942.70/14,418.41
  6. Step 6: Final answer
    x = 10,373.40

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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.