Home / 14,037.15-20,993.76-12,488.07

Finding the Fourth Proportional to 14,037.15, 20,993.76 and 12,488.07

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Solution

The fourth proportional to 14,037.15, 20,993.76 and 12,488.07 is: 18,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.15 : 20,993.76 = 12,488.07 : x
  2. Step 2: Convert to fraction form
    14,037.15/20,993.76 = 12,488.07/x
  3. Step 3: Cross multiply
    14,037.15x = 20,993.76 × 12,488.07
  4. Step 4: Simplify right side
    14,037.15x = 262,171,544.44
  5. Step 5: Solve for x
    x = 262,171,544.44/14,037.15
  6. Step 6: Final answer
    x = 18,676.98

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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.