Home / 11,913.33-16,439.85-6,608.10

Finding the Fourth Proportional to 11,913.33, 16,439.85 and 6,608.10

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Solution

The fourth proportional to 11,913.33, 16,439.85 and 6,608.10 is: 9,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.33 : 16,439.85 = 6,608.10 : x
  2. Step 2: Convert to fraction form
    11,913.33/16,439.85 = 6,608.10/x
  3. Step 3: Cross multiply
    11,913.33x = 16,439.85 × 6,608.10
  4. Step 4: Simplify right side
    11,913.33x = 108,636,172.79
  5. Step 5: Solve for x
    x = 108,636,172.79/11,913.33
  6. Step 6: Final answer
    x = 9,118.88

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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.