Home / 12,452.58-18,676.23-4,130.66

Finding the Fourth Proportional to 12,452.58, 18,676.23 and 4,130.66

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Solution

The fourth proportional to 12,452.58, 18,676.23 and 4,130.66 is: 6,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.58 : 18,676.23 = 4,130.66 : x
  2. Step 2: Convert to fraction form
    12,452.58/18,676.23 = 4,130.66/x
  3. Step 3: Cross multiply
    12,452.58x = 18,676.23 × 4,130.66
  4. Step 4: Simplify right side
    12,452.58x = 77,145,156.21
  5. Step 5: Solve for x
    x = 77,145,156.21/12,452.58
  6. Step 6: Final answer
    x = 6,195.11

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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.