Home / 13,846.55-20,782.58-9,671.20

Finding the Fourth Proportional to 13,846.55, 20,782.58 and 9,671.20

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Solution

The fourth proportional to 13,846.55, 20,782.58 and 9,671.20 is: 14,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.55 : 20,782.58 = 9,671.20 : x
  2. Step 2: Convert to fraction form
    13,846.55/20,782.58 = 9,671.20/x
  3. Step 3: Cross multiply
    13,846.55x = 20,782.58 × 9,671.20
  4. Step 4: Simplify right side
    13,846.55x = 200,992,387.38
  5. Step 5: Solve for x
    x = 200,992,387.38/13,846.55
  6. Step 6: Final answer
    x = 14,515.71

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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.