Home / 11,818.90-16,313.43-8,282.98

Finding the Fourth Proportional to 11,818.90, 16,313.43 and 8,282.98

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Solution

The fourth proportional to 11,818.90, 16,313.43 and 8,282.98 is: 11,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.90 : 16,313.43 = 8,282.98 : x
  2. Step 2: Convert to fraction form
    11,818.90/16,313.43 = 8,282.98/x
  3. Step 3: Cross multiply
    11,818.90x = 16,313.43 × 8,282.98
  4. Step 4: Simplify right side
    11,818.90x = 135,123,814.42
  5. Step 5: Solve for x
    x = 135,123,814.42/11,818.90
  6. Step 6: Final answer
    x = 11,432.86

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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.