Home / 11,885.18-16,405.18-6,852.76

Finding the Fourth Proportional to 11,885.18, 16,405.18 and 6,852.76

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Solution

The fourth proportional to 11,885.18, 16,405.18 and 6,852.76 is: 9,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.18 : 16,405.18 = 6,852.76 : x
  2. Step 2: Convert to fraction form
    11,885.18/16,405.18 = 6,852.76/x
  3. Step 3: Cross multiply
    11,885.18x = 16,405.18 × 6,852.76
  4. Step 4: Simplify right side
    11,885.18x = 112,420,761.30
  5. Step 5: Solve for x
    x = 112,420,761.30/11,885.18
  6. Step 6: Final answer
    x = 9,458.90

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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.