Home / 11,680.34-16,118.64-6,375.02

Finding the Fourth Proportional to 11,680.34, 16,118.64 and 6,375.02

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Solution

The fourth proportional to 11,680.34, 16,118.64 and 6,375.02 is: 8,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.34 : 16,118.64 = 6,375.02 : x
  2. Step 2: Convert to fraction form
    11,680.34/16,118.64 = 6,375.02/x
  3. Step 3: Cross multiply
    11,680.34x = 16,118.64 × 6,375.02
  4. Step 4: Simplify right side
    11,680.34x = 102,756,652.37
  5. Step 5: Solve for x
    x = 102,756,652.37/11,680.34
  6. Step 6: Final answer
    x = 8,797.40

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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.