Home / 10,912.70-15,059.55-6,196.98

Finding the Fourth Proportional to 10,912.70, 15,059.55 and 6,196.98

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Solution

The fourth proportional to 10,912.70, 15,059.55 and 6,196.98 is: 8,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.70 : 15,059.55 = 6,196.98 : x
  2. Step 2: Convert to fraction form
    10,912.70/15,059.55 = 6,196.98/x
  3. Step 3: Cross multiply
    10,912.70x = 15,059.55 × 6,196.98
  4. Step 4: Simplify right side
    10,912.70x = 93,323,730.16
  5. Step 5: Solve for x
    x = 93,323,730.16/10,912.70
  6. Step 6: Final answer
    x = 8,551.85

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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.