Home / 18,868.56-26,037.90-10,485.60

Finding the Fourth Proportional to 18,868.56, 26,037.90 and 10,485.60

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Solution

The fourth proportional to 18,868.56, 26,037.90 and 10,485.60 is: 14,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.56 : 26,037.90 = 10,485.60 : x
  2. Step 2: Convert to fraction form
    18,868.56/26,037.90 = 10,485.60/x
  3. Step 3: Cross multiply
    18,868.56x = 26,037.90 × 10,485.60
  4. Step 4: Simplify right side
    18,868.56x = 273,023,004.24
  5. Step 5: Solve for x
    x = 273,023,004.24/18,868.56
  6. Step 6: Final answer
    x = 14,469.73

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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.