Home / 10,961.20-16,466.10-10,518.40

Finding the Fourth Proportional to 10,961.20, 16,466.10 and 10,518.40

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Solution

The fourth proportional to 10,961.20, 16,466.10 and 10,518.40 is: 15,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.20 : 16,466.10 = 10,518.40 : x
  2. Step 2: Convert to fraction form
    10,961.20/16,466.10 = 10,518.40/x
  3. Step 3: Cross multiply
    10,961.20x = 16,466.10 × 10,518.40
  4. Step 4: Simplify right side
    10,961.20x = 173,197,026.24
  5. Step 5: Solve for x
    x = 173,197,026.24/10,961.20
  6. Step 6: Final answer
    x = 15,800.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.