Home / 21,336.99-32,005.53-11,480.91

Finding the Fourth Proportional to 21,336.99, 32,005.53 and 11,480.91

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Solution

The fourth proportional to 21,336.99, 32,005.53 and 11,480.91 is: 17,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.99 : 32,005.53 = 11,480.91 : x
  2. Step 2: Convert to fraction form
    21,336.99/32,005.53 = 11,480.91/x
  3. Step 3: Cross multiply
    21,336.99x = 32,005.53 × 11,480.91
  4. Step 4: Simplify right side
    21,336.99x = 367,452,609.43
  5. Step 5: Solve for x
    x = 367,452,609.43/21,336.99
  6. Step 6: Final answer
    x = 17,221.39

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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.