Home / 11,840.45-16,336.01-7,862.36

Finding the Fourth Proportional to 11,840.45, 16,336.01 and 7,862.36

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Solution

The fourth proportional to 11,840.45, 16,336.01 and 7,862.36 is: 10,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.45 : 16,336.01 = 7,862.36 : x
  2. Step 2: Convert to fraction form
    11,840.45/16,336.01 = 7,862.36/x
  3. Step 3: Cross multiply
    11,840.45x = 16,336.01 × 7,862.36
  4. Step 4: Simplify right side
    11,840.45x = 128,439,529.56
  5. Step 5: Solve for x
    x = 128,439,529.56/11,840.45
  6. Step 6: Final answer
    x = 10,847.53

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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.