Home / 11,226.72-16,818.54-6,281.38

Finding the Fourth Proportional to 11,226.72, 16,818.54 and 6,281.38

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Solution

The fourth proportional to 11,226.72, 16,818.54 and 6,281.38 is: 9,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.72 : 16,818.54 = 6,281.38 : x
  2. Step 2: Convert to fraction form
    11,226.72/16,818.54 = 6,281.38/x
  3. Step 3: Cross multiply
    11,226.72x = 16,818.54 × 6,281.38
  4. Step 4: Simplify right side
    11,226.72x = 105,643,640.79
  5. Step 5: Solve for x
    x = 105,643,640.79/11,226.72
  6. Step 6: Final answer
    x = 9,410.02

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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.