Home / 10,810.24-16,215.36-6,190

Finding the Fourth Proportional to 10,810.24, 16,215.36 and 6,190

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Solution

The fourth proportional to 10,810.24, 16,215.36 and 6,190 is: 9,285

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.24 : 16,215.36 = 6,190 : x
  2. Step 2: Convert to fraction form
    10,810.24/16,215.36 = 6,190/x
  3. Step 3: Cross multiply
    10,810.24x = 16,215.36 × 6,190
  4. Step 4: Simplify right side
    10,810.24x = 100,373,078.40
  5. Step 5: Solve for x
    x = 100,373,078.40/10,810.24
  6. Step 6: Final answer
    x = 9,285

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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.