Home / 21,596.42-32,405.57-9,917.84

Finding the Fourth Proportional to 21,596.42, 32,405.57 and 9,917.84

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Solution

The fourth proportional to 21,596.42, 32,405.57 and 9,917.84 is: 14,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.42 : 32,405.57 = 9,917.84 : x
  2. Step 2: Convert to fraction form
    21,596.42/32,405.57 = 9,917.84/x
  3. Step 3: Cross multiply
    21,596.42x = 32,405.57 × 9,917.84
  4. Step 4: Simplify right side
    21,596.42x = 321,393,326.99
  5. Step 5: Solve for x
    x = 321,393,326.99/21,596.42
  6. Step 6: Final answer
    x = 14,881.79

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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.