Home / 20,152.98-27,808.90-11,653.82

Finding the Fourth Proportional to 20,152.98, 27,808.90 and 11,653.82

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Solution

The fourth proportional to 20,152.98, 27,808.90 and 11,653.82 is: 16,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.98 : 27,808.90 = 11,653.82 : x
  2. Step 2: Convert to fraction form
    20,152.98/27,808.90 = 11,653.82/x
  3. Step 3: Cross multiply
    20,152.98x = 27,808.90 × 11,653.82
  4. Step 4: Simplify right side
    20,152.98x = 324,079,915.00
  5. Step 5: Solve for x
    x = 324,079,915.00/20,152.98
  6. Step 6: Final answer
    x = 16,080.99

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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.