Home / 11,865.09-16,373.58-6,559.79

Finding the Fourth Proportional to 11,865.09, 16,373.58 and 6,559.79

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Solution

The fourth proportional to 11,865.09, 16,373.58 and 6,559.79 is: 9,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.09 : 16,373.58 = 6,559.79 : x
  2. Step 2: Convert to fraction form
    11,865.09/16,373.58 = 6,559.79/x
  3. Step 3: Cross multiply
    11,865.09x = 16,373.58 × 6,559.79
  4. Step 4: Simplify right side
    11,865.09x = 107,407,246.35
  5. Step 5: Solve for x
    x = 107,407,246.35/11,865.09
  6. Step 6: Final answer
    x = 9,052.38

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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.