Home / 11,225.31-15,490.62-6,189.44

Finding the Fourth Proportional to 11,225.31, 15,490.62 and 6,189.44

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Solution

The fourth proportional to 11,225.31, 15,490.62 and 6,189.44 is: 8,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.31 : 15,490.62 = 6,189.44 : x
  2. Step 2: Convert to fraction form
    11,225.31/15,490.62 = 6,189.44/x
  3. Step 3: Cross multiply
    11,225.31x = 15,490.62 × 6,189.44
  4. Step 4: Simplify right side
    11,225.31x = 95,878,185.60
  5. Step 5: Solve for x
    x = 95,878,185.60/11,225.31
  6. Step 6: Final answer
    x = 8,541.25

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1.5x scale

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.