Home / 12,000.90-17,912.45-11,262.18

Finding the Fourth Proportional to 12,000.90, 17,912.45 and 11,262.18

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Solution

The fourth proportional to 12,000.90, 17,912.45 and 11,262.18 is: 16,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.90 : 17,912.45 = 11,262.18 : x
  2. Step 2: Convert to fraction form
    12,000.90/17,912.45 = 11,262.18/x
  3. Step 3: Cross multiply
    12,000.90x = 17,912.45 × 11,262.18
  4. Step 4: Simplify right side
    12,000.90x = 201,733,179.83
  5. Step 5: Solve for x
    x = 201,733,179.83/12,000.90
  6. Step 6: Final answer
    x = 16,809.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.