Home / 11,285.81-16,930.61-4,170.46

Finding the Fourth Proportional to 11,285.81, 16,930.61 and 4,170.46

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Solution

The fourth proportional to 11,285.81, 16,930.61 and 4,170.46 is: 6,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.81 : 16,930.61 = 4,170.46 : x
  2. Step 2: Convert to fraction form
    11,285.81/16,930.61 = 4,170.46/x
  3. Step 3: Cross multiply
    11,285.81x = 16,930.61 × 4,170.46
  4. Step 4: Simplify right side
    11,285.81x = 70,608,457.74
  5. Step 5: Solve for x
    x = 70,608,457.74/11,285.81
  6. Step 6: Final answer
    x = 6,256.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.