Home / 11,885.71-17,818.85-4,485.96

Finding the Fourth Proportional to 11,885.71, 17,818.85 and 4,485.96

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Solution

The fourth proportional to 11,885.71, 17,818.85 and 4,485.96 is: 6,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.71 : 17,818.85 = 4,485.96 : x
  2. Step 2: Convert to fraction form
    11,885.71/17,818.85 = 4,485.96/x
  3. Step 3: Cross multiply
    11,885.71x = 17,818.85 × 4,485.96
  4. Step 4: Simplify right side
    11,885.71x = 79,934,536.82
  5. Step 5: Solve for x
    x = 79,934,536.82/11,885.71
  6. Step 6: Final answer
    x = 6,725.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.