Home / 20,676.18-31,013.55-5,885.18

Finding the Fourth Proportional to 20,676.18, 31,013.55 and 5,885.18

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Solution

The fourth proportional to 20,676.18, 31,013.55 and 5,885.18 is: 8,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.18 : 31,013.55 = 5,885.18 : x
  2. Step 2: Convert to fraction form
    20,676.18/31,013.55 = 5,885.18/x
  3. Step 3: Cross multiply
    20,676.18x = 31,013.55 × 5,885.18
  4. Step 4: Simplify right side
    20,676.18x = 182,520,324.19
  5. Step 5: Solve for x
    x = 182,520,324.19/20,676.18
  6. Step 6: Final answer
    x = 8,827.57

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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.