Home / 10,986.63-16,486.43-4,065.99

Finding the Fourth Proportional to 10,986.63, 16,486.43 and 4,065.99

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Solution

The fourth proportional to 10,986.63, 16,486.43 and 4,065.99 is: 6,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.63 : 16,486.43 = 4,065.99 : x
  2. Step 2: Convert to fraction form
    10,986.63/16,486.43 = 4,065.99/x
  3. Step 3: Cross multiply
    10,986.63x = 16,486.43 × 4,065.99
  4. Step 4: Simplify right side
    10,986.63x = 67,033,639.19
  5. Step 5: Solve for x
    x = 67,033,639.19/10,986.63
  6. Step 6: Final answer
    x = 6,101.38

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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.