Home / 11,135.46-16,706.49-4,210.50

Finding the Fourth Proportional to 11,135.46, 16,706.49 and 4,210.50

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Solution

The fourth proportional to 11,135.46, 16,706.49 and 4,210.50 is: 6,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.46 : 16,706.49 = 4,210.50 : x
  2. Step 2: Convert to fraction form
    11,135.46/16,706.49 = 4,210.50/x
  3. Step 3: Cross multiply
    11,135.46x = 16,706.49 × 4,210.50
  4. Step 4: Simplify right side
    11,135.46x = 70,342,676.15
  5. Step 5: Solve for x
    x = 70,342,676.15/11,135.46
  6. Step 6: Final answer
    x = 6,317.00

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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.