Home / 11,668.75-17,505.36-6,400.88

Finding the Fourth Proportional to 11,668.75, 17,505.36 and 6,400.88

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Solution

The fourth proportional to 11,668.75, 17,505.36 and 6,400.88 is: 9,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.75 : 17,505.36 = 6,400.88 : x
  2. Step 2: Convert to fraction form
    11,668.75/17,505.36 = 6,400.88/x
  3. Step 3: Cross multiply
    11,668.75x = 17,505.36 × 6,400.88
  4. Step 4: Simplify right side
    11,668.75x = 112,049,621.19
  5. Step 5: Solve for x
    x = 112,049,621.19/11,668.75
  6. Step 6: Final answer
    x = 9,602.54

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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.