Home / 12,040.30-16,622.18-7,261.10

Finding the Fourth Proportional to 12,040.30, 16,622.18 and 7,261.10

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Solution

The fourth proportional to 12,040.30, 16,622.18 and 7,261.10 is: 10,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.30 : 16,622.18 = 7,261.10 : x
  2. Step 2: Convert to fraction form
    12,040.30/16,622.18 = 7,261.10/x
  3. Step 3: Cross multiply
    12,040.30x = 16,622.18 × 7,261.10
  4. Step 4: Simplify right side
    12,040.30x = 120,695,311.20
  5. Step 5: Solve for x
    x = 120,695,311.20/12,040.30
  6. Step 6: Final answer
    x = 10,024.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.