Home / 10,311.15-15,466.97-2,520.03

Finding the Fourth Proportional to 10,311.15, 15,466.97 and 2,520.03

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Solution

The fourth proportional to 10,311.15, 15,466.97 and 2,520.03 is: 3,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.15 : 15,466.97 = 2,520.03 : x
  2. Step 2: Convert to fraction form
    10,311.15/15,466.97 = 2,520.03/x
  3. Step 3: Cross multiply
    10,311.15x = 15,466.97 × 2,520.03
  4. Step 4: Simplify right side
    10,311.15x = 38,977,215.81
  5. Step 5: Solve for x
    x = 38,977,215.81/10,311.15
  6. Step 6: Final answer
    x = 3,780.10

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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.