Home / 10,968.10-15,137.46-6,189.02

Finding the Fourth Proportional to 10,968.10, 15,137.46 and 6,189.02

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Solution

The fourth proportional to 10,968.10, 15,137.46 and 6,189.02 is: 8,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.10 : 15,137.46 = 6,189.02 : x
  2. Step 2: Convert to fraction form
    10,968.10/15,137.46 = 6,189.02/x
  3. Step 3: Cross multiply
    10,968.10x = 15,137.46 × 6,189.02
  4. Step 4: Simplify right side
    10,968.10x = 93,686,042.69
  5. Step 5: Solve for x
    x = 93,686,042.69/10,968.10
  6. Step 6: Final answer
    x = 8,541.68

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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.