Home / 21,554.06-32,298.69-12,183.98

Finding the Fourth Proportional to 21,554.06, 32,298.69 and 12,183.98

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Solution

The fourth proportional to 21,554.06, 32,298.69 and 12,183.98 is: 18,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.06 : 32,298.69 = 12,183.98 : x
  2. Step 2: Convert to fraction form
    21,554.06/32,298.69 = 12,183.98/x
  3. Step 3: Cross multiply
    21,554.06x = 32,298.69 × 12,183.98
  4. Step 4: Simplify right side
    21,554.06x = 393,526,592.99
  5. Step 5: Solve for x
    x = 393,526,592.99/21,554.06
  6. Step 6: Final answer
    x = 18,257.66

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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.