Home / 11,668.21-17,502.41-4,272.91

Finding the Fourth Proportional to 11,668.21, 17,502.41 and 4,272.91

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Solution

The fourth proportional to 11,668.21, 17,502.41 and 4,272.91 is: 6,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.21 : 17,502.41 = 4,272.91 : x
  2. Step 2: Convert to fraction form
    11,668.21/17,502.41 = 4,272.91/x
  3. Step 3: Cross multiply
    11,668.21x = 17,502.41 × 4,272.91
  4. Step 4: Simplify right side
    11,668.21x = 74,786,222.71
  5. Step 5: Solve for x
    x = 74,786,222.71/11,668.21
  6. Step 6: Final answer
    x = 6,409.40

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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.