Home / 11,864.21-16,372.45-6,558.94

Finding the Fourth Proportional to 11,864.21, 16,372.45 and 6,558.94

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Solution

The fourth proportional to 11,864.21, 16,372.45 and 6,558.94 is: 9,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.21 : 16,372.45 = 6,558.94 : x
  2. Step 2: Convert to fraction form
    11,864.21/16,372.45 = 6,558.94/x
  3. Step 3: Cross multiply
    11,864.21x = 16,372.45 × 6,558.94
  4. Step 4: Simplify right side
    11,864.21x = 107,385,917.20
  5. Step 5: Solve for x
    x = 107,385,917.20/11,864.21
  6. Step 6: Final answer
    x = 9,051.25

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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.