Home / 18,607.41-25,676.87-12,308.85

Finding the Fourth Proportional to 18,607.41, 25,676.87 and 12,308.85

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Solution

The fourth proportional to 18,607.41, 25,676.87 and 12,308.85 is: 16,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.41 : 25,676.87 = 12,308.85 : x
  2. Step 2: Convert to fraction form
    18,607.41/25,676.87 = 12,308.85/x
  3. Step 3: Cross multiply
    18,607.41x = 25,676.87 × 12,308.85
  4. Step 4: Simplify right side
    18,607.41x = 316,052,679.76
  5. Step 5: Solve for x
    x = 316,052,679.76/18,607.41
  6. Step 6: Final answer
    x = 16,985.31

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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.