Home / 10,369.37-15,558.35-3,706.79

Finding the Fourth Proportional to 10,369.37, 15,558.35 and 3,706.79

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Solution

The fourth proportional to 10,369.37, 15,558.35 and 3,706.79 is: 5,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.37 : 15,558.35 = 3,706.79 : x
  2. Step 2: Convert to fraction form
    10,369.37/15,558.35 = 3,706.79/x
  3. Step 3: Cross multiply
    10,369.37x = 15,558.35 × 3,706.79
  4. Step 4: Simplify right side
    10,369.37x = 57,671,439.87
  5. Step 5: Solve for x
    x = 57,671,439.87/10,369.37
  6. Step 6: Final answer
    x = 5,561.71

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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.