Home / 11,912.33-16,437.84-6,607.04

Finding the Fourth Proportional to 11,912.33, 16,437.84 and 6,607.04

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Solution

The fourth proportional to 11,912.33, 16,437.84 and 6,607.04 is: 9,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.33 : 16,437.84 = 6,607.04 : x
  2. Step 2: Convert to fraction form
    11,912.33/16,437.84 = 6,607.04/x
  3. Step 3: Cross multiply
    11,912.33x = 16,437.84 × 6,607.04
  4. Step 4: Simplify right side
    11,912.33x = 108,605,384.20
  5. Step 5: Solve for x
    x = 108,605,384.20/11,912.33
  6. Step 6: Final answer
    x = 9,117.06

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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.