Home / 11,235.76-16,841.78-4,211.18

Finding the Fourth Proportional to 11,235.76, 16,841.78 and 4,211.18

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Solution

The fourth proportional to 11,235.76, 16,841.78 and 4,211.18 is: 6,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.76 : 16,841.78 = 4,211.18 : x
  2. Step 2: Convert to fraction form
    11,235.76/16,841.78 = 4,211.18/x
  3. Step 3: Cross multiply
    11,235.76x = 16,841.78 × 4,211.18
  4. Step 4: Simplify right side
    11,235.76x = 70,923,767.10
  5. Step 5: Solve for x
    x = 70,923,767.10/11,235.76
  6. Step 6: Final answer
    x = 6,312.32

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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.