Home / 18,253.35-27,338.46-12,710.85

Finding the Fourth Proportional to 18,253.35, 27,338.46 and 12,710.85

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Solution

The fourth proportional to 18,253.35, 27,338.46 and 12,710.85 is: 19,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.35 : 27,338.46 = 12,710.85 : x
  2. Step 2: Convert to fraction form
    18,253.35/27,338.46 = 12,710.85/x
  3. Step 3: Cross multiply
    18,253.35x = 27,338.46 × 12,710.85
  4. Step 4: Simplify right side
    18,253.35x = 347,495,064.29
  5. Step 5: Solve for x
    x = 347,495,064.29/18,253.35
  6. Step 6: Final answer
    x = 19,037.33

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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.