Home / 9,113.34-13,668.39-3,191.04

Finding the Fourth Proportional to 9,113.34, 13,668.39 and 3,191.04

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Solution

The fourth proportional to 9,113.34, 13,668.39 and 3,191.04 is: 4,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.34 : 13,668.39 = 3,191.04 : x
  2. Step 2: Convert to fraction form
    9,113.34/13,668.39 = 3,191.04/x
  3. Step 3: Cross multiply
    9,113.34x = 13,668.39 × 3,191.04
  4. Step 4: Simplify right side
    9,113.34x = 43,616,379.23
  5. Step 5: Solve for x
    x = 43,616,379.23/9,113.34
  6. Step 6: Final answer
    x = 4,785.99

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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.