Home / 11,701.84-16,147.20-6,666.16

Finding the Fourth Proportional to 11,701.84, 16,147.20 and 6,666.16

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Solution

The fourth proportional to 11,701.84, 16,147.20 and 6,666.16 is: 9,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.84 : 16,147.20 = 6,666.16 : x
  2. Step 2: Convert to fraction form
    11,701.84/16,147.20 = 6,666.16/x
  3. Step 3: Cross multiply
    11,701.84x = 16,147.20 × 6,666.16
  4. Step 4: Simplify right side
    11,701.84x = 107,639,818.75
  5. Step 5: Solve for x
    x = 107,639,818.75/11,701.84
  6. Step 6: Final answer
    x = 9,198.54

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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.