Home / 18,868.30-26,038.88-10,370.73

Finding the Fourth Proportional to 18,868.30, 26,038.88 and 10,370.73

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Solution

The fourth proportional to 18,868.30, 26,038.88 and 10,370.73 is: 14,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.30 : 26,038.88 = 10,370.73 : x
  2. Step 2: Convert to fraction form
    18,868.30/26,038.88 = 10,370.73/x
  3. Step 3: Cross multiply
    18,868.30x = 26,038.88 × 10,370.73
  4. Step 4: Simplify right side
    18,868.30x = 270,042,037.86
  5. Step 5: Solve for x
    x = 270,042,037.86/18,868.30
  6. Step 6: Final answer
    x = 14,311.94

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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.