Home / 11,771.46-17,640.99-4,368.69

Finding the Fourth Proportional to 11,771.46, 17,640.99 and 4,368.69

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Solution

The fourth proportional to 11,771.46, 17,640.99 and 4,368.69 is: 6,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.46 : 17,640.99 = 4,368.69 : x
  2. Step 2: Convert to fraction form
    11,771.46/17,640.99 = 4,368.69/x
  3. Step 3: Cross multiply
    11,771.46x = 17,640.99 × 4,368.69
  4. Step 4: Simplify right side
    11,771.46x = 77,068,016.60
  5. Step 5: Solve for x
    x = 77,068,016.60/11,771.46
  6. Step 6: Final answer
    x = 6,547.02

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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.