Home / 14,668.26-20,236.88-9,635.21

Finding the Fourth Proportional to 14,668.26, 20,236.88 and 9,635.21

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Solution

The fourth proportional to 14,668.26, 20,236.88 and 9,635.21 is: 13,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.26 : 20,236.88 = 9,635.21 : x
  2. Step 2: Convert to fraction form
    14,668.26/20,236.88 = 9,635.21/x
  3. Step 3: Cross multiply
    14,668.26x = 20,236.88 × 9,635.21
  4. Step 4: Simplify right side
    14,668.26x = 194,986,588.54
  5. Step 5: Solve for x
    x = 194,986,588.54/14,668.26
  6. Step 6: Final answer
    x = 13,293.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.