Home / 10,845.21-14,968.00-6,866.69

Finding the Fourth Proportional to 10,845.21, 14,968.00 and 6,866.69

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Solution

The fourth proportional to 10,845.21, 14,968.00 and 6,866.69 is: 9,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.21 : 14,968.00 = 6,866.69 : x
  2. Step 2: Convert to fraction form
    10,845.21/14,968.00 = 6,866.69/x
  3. Step 3: Cross multiply
    10,845.21x = 14,968.00 × 6,866.69
  4. Step 4: Simplify right side
    10,845.21x = 102,780,619.01
  5. Step 5: Solve for x
    x = 102,780,619.01/10,845.21
  6. Step 6: Final answer
    x = 9,477.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.