Home / 10,817.09-16,218.65-4,243.94

Finding the Fourth Proportional to 10,817.09, 16,218.65 and 4,243.94

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Solution

The fourth proportional to 10,817.09, 16,218.65 and 4,243.94 is: 6,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.09 : 16,218.65 = 4,243.94 : x
  2. Step 2: Convert to fraction form
    10,817.09/16,218.65 = 4,243.94/x
  3. Step 3: Cross multiply
    10,817.09x = 16,218.65 × 4,243.94
  4. Step 4: Simplify right side
    10,817.09x = 68,830,896.39
  5. Step 5: Solve for x
    x = 68,830,896.39/10,817.09
  6. Step 6: Final answer
    x = 6,363.16

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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.