Home / 11,376.45-15,697.60-6,339.57

Finding the Fourth Proportional to 11,376.45, 15,697.60 and 6,339.57

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Solution

The fourth proportional to 11,376.45, 15,697.60 and 6,339.57 is: 8,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.45 : 15,697.60 = 6,339.57 : x
  2. Step 2: Convert to fraction form
    11,376.45/15,697.60 = 6,339.57/x
  3. Step 3: Cross multiply
    11,376.45x = 15,697.60 × 6,339.57
  4. Step 4: Simplify right side
    11,376.45x = 99,515,959.32
  5. Step 5: Solve for x
    x = 99,515,959.32/11,376.45
  6. Step 6: Final answer
    x = 8,747.54

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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.