Home / 11,364.42-15,682.85-6,328.70

Finding the Fourth Proportional to 11,364.42, 15,682.85 and 6,328.70

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Solution

The fourth proportional to 11,364.42, 15,682.85 and 6,328.70 is: 8,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.42 : 15,682.85 = 6,328.70 : x
  2. Step 2: Convert to fraction form
    11,364.42/15,682.85 = 6,328.70/x
  3. Step 3: Cross multiply
    11,364.42x = 15,682.85 × 6,328.70
  4. Step 4: Simplify right side
    11,364.42x = 99,252,052.80
  5. Step 5: Solve for x
    x = 99,252,052.80/11,364.42
  6. Step 6: Final answer
    x = 8,733.58

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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.