Home / 14,610.44-21,918.90-6,815

Finding the Fourth Proportional to 14,610.44, 21,918.90 and 6,815

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Solution

The fourth proportional to 14,610.44, 21,918.90 and 6,815 is: 10,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.44 : 21,918.90 = 6,815 : x
  2. Step 2: Convert to fraction form
    14,610.44/21,918.90 = 6,815/x
  3. Step 3: Cross multiply
    14,610.44x = 21,918.90 × 6,815
  4. Step 4: Simplify right side
    14,610.44x = 149,377,303.50
  5. Step 5: Solve for x
    x = 149,377,303.50/14,610.44
  6. Step 6: Final answer
    x = 10,224.01

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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.