Home / 10,611.18-15,928.89-8,273.70

Finding the Fourth Proportional to 10,611.18, 15,928.89 and 8,273.70

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Solution

The fourth proportional to 10,611.18, 15,928.89 and 8,273.70 is: 12,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.18 : 15,928.89 = 8,273.70 : x
  2. Step 2: Convert to fraction form
    10,611.18/15,928.89 = 8,273.70/x
  3. Step 3: Cross multiply
    10,611.18x = 15,928.89 × 8,273.70
  4. Step 4: Simplify right side
    10,611.18x = 131,790,857.19
  5. Step 5: Solve for x
    x = 131,790,857.19/10,611.18
  6. Step 6: Final answer
    x = 12,420.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.