Home / 10,611.14-15,916.83-3,685.70

Finding the Fourth Proportional to 10,611.14, 15,916.83 and 3,685.70

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Solution

The fourth proportional to 10,611.14, 15,916.83 and 3,685.70 is: 5,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.14 : 15,916.83 = 3,685.70 : x
  2. Step 2: Convert to fraction form
    10,611.14/15,916.83 = 3,685.70/x
  3. Step 3: Cross multiply
    10,611.14x = 15,916.83 × 3,685.70
  4. Step 4: Simplify right side
    10,611.14x = 58,664,660.33
  5. Step 5: Solve for x
    x = 58,664,660.33/10,611.14
  6. Step 6: Final answer
    x = 5,528.59

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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.