Home / 21,323.03-29,389.38-14,596.79

Finding the Fourth Proportional to 21,323.03, 29,389.38 and 14,596.79

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Solution

The fourth proportional to 21,323.03, 29,389.38 and 14,596.79 is: 20,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323.03 : 29,389.38 = 14,596.79 : x
  2. Step 2: Convert to fraction form
    21,323.03/29,389.38 = 14,596.79/x
  3. Step 3: Cross multiply
    21,323.03x = 29,389.38 × 14,596.79
  4. Step 4: Simplify right side
    21,323.03x = 428,990,608.09
  5. Step 5: Solve for x
    x = 428,990,608.09/21,323.03
  6. Step 6: Final answer
    x = 20,118.65

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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.