Home / 10,968.04-15,135.90-6,189.00

Finding the Fourth Proportional to 10,968.04, 15,135.90 and 6,189.00

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Solution

The fourth proportional to 10,968.04, 15,135.90 and 6,189.00 is: 8,540.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.04 : 15,135.90 = 6,189.00 : x
  2. Step 2: Convert to fraction form
    10,968.04/15,135.90 = 6,189.00/x
  3. Step 3: Cross multiply
    10,968.04x = 15,135.90 × 6,189.00
  4. Step 4: Simplify right side
    10,968.04x = 93,676,019.22
  5. Step 5: Solve for x
    x = 93,676,019.22/10,968.04
  6. Step 6: Final answer
    x = 8,540.82

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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.