Home / 11,219.10-16,835.92-4,293.60

Finding the Fourth Proportional to 11,219.10, 16,835.92 and 4,293.60

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Solution

The fourth proportional to 11,219.10, 16,835.92 and 4,293.60 is: 6,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.10 : 16,835.92 = 4,293.60 : x
  2. Step 2: Convert to fraction form
    11,219.10/16,835.92 = 4,293.60/x
  3. Step 3: Cross multiply
    11,219.10x = 16,835.92 × 4,293.60
  4. Step 4: Simplify right side
    11,219.10x = 72,286,706.11
  5. Step 5: Solve for x
    x = 72,286,706.11/11,219.10
  6. Step 6: Final answer
    x = 6,443.18

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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.