Home / 21,668.01-32,450.07-11,782.77

Finding the Fourth Proportional to 21,668.01, 32,450.07 and 11,782.77

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Solution

The fourth proportional to 21,668.01, 32,450.07 and 11,782.77 is: 17,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.01 : 32,450.07 = 11,782.77 : x
  2. Step 2: Convert to fraction form
    21,668.01/32,450.07 = 11,782.77/x
  3. Step 3: Cross multiply
    21,668.01x = 32,450.07 × 11,782.77
  4. Step 4: Simplify right side
    21,668.01x = 382,351,711.29
  5. Step 5: Solve for x
    x = 382,351,711.29/21,668.01
  6. Step 6: Final answer
    x = 17,645.91

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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.