Home / 11,191.08-15,442.26-6,653.04

Finding the Fourth Proportional to 11,191.08, 15,442.26 and 6,653.04

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Solution

The fourth proportional to 11,191.08, 15,442.26 and 6,653.04 is: 9,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.08 : 15,442.26 = 6,653.04 : x
  2. Step 2: Convert to fraction form
    11,191.08/15,442.26 = 6,653.04/x
  3. Step 3: Cross multiply
    11,191.08x = 15,442.26 × 6,653.04
  4. Step 4: Simplify right side
    11,191.08x = 102,737,973.47
  5. Step 5: Solve for x
    x = 102,737,973.47/11,191.08
  6. Step 6: Final answer
    x = 9,180.34

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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.