Home / 11,168.46-15,405.52-7,182.66

Finding the Fourth Proportional to 11,168.46, 15,405.52 and 7,182.66

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Solution

The fourth proportional to 11,168.46, 15,405.52 and 7,182.66 is: 9,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.46 : 15,405.52 = 7,182.66 : x
  2. Step 2: Convert to fraction form
    11,168.46/15,405.52 = 7,182.66/x
  3. Step 3: Cross multiply
    11,168.46x = 15,405.52 × 7,182.66
  4. Step 4: Simplify right side
    11,168.46x = 110,652,612.28
  5. Step 5: Solve for x
    x = 110,652,612.28/11,168.46
  6. Step 6: Final answer
    x = 9,907.60

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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.