Home / 11,904.40-16,428.11-6,599.30

Finding the Fourth Proportional to 11,904.40, 16,428.11 and 6,599.30

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Solution

The fourth proportional to 11,904.40, 16,428.11 and 6,599.30 is: 9,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.40 : 16,428.11 = 6,599.30 : x
  2. Step 2: Convert to fraction form
    11,904.40/16,428.11 = 6,599.30/x
  3. Step 3: Cross multiply
    11,904.40x = 16,428.11 × 6,599.30
  4. Step 4: Simplify right side
    11,904.40x = 108,414,026.32
  5. Step 5: Solve for x
    x = 108,414,026.32/11,904.40
  6. Step 6: Final answer
    x = 9,107.06

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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.