Home / 11,734.06-16,193.40-6,428.87

Finding the Fourth Proportional to 11,734.06, 16,193.40 and 6,428.87

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Solution

The fourth proportional to 11,734.06, 16,193.40 and 6,428.87 is: 8,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.06 : 16,193.40 = 6,428.87 : x
  2. Step 2: Convert to fraction form
    11,734.06/16,193.40 = 6,428.87/x
  3. Step 3: Cross multiply
    11,734.06x = 16,193.40 × 6,428.87
  4. Step 4: Simplify right side
    11,734.06x = 104,105,263.46
  5. Step 5: Solve for x
    x = 104,105,263.46/11,734.06
  6. Step 6: Final answer
    x = 8,872.06

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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.