Home / 11,687.43-16,130.04-6,652.86

Finding the Fourth Proportional to 11,687.43, 16,130.04 and 6,652.86

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Solution

The fourth proportional to 11,687.43, 16,130.04 and 6,652.86 is: 9,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.43 : 16,130.04 = 6,652.86 : x
  2. Step 2: Convert to fraction form
    11,687.43/16,130.04 = 6,652.86/x
  3. Step 3: Cross multiply
    11,687.43x = 16,130.04 × 6,652.86
  4. Step 4: Simplify right side
    11,687.43x = 107,310,897.91
  5. Step 5: Solve for x
    x = 107,310,897.91/11,687.43
  6. Step 6: Final answer
    x = 9,181.74

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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.