Home / 10,905.02-16,351.56-3,406.52

Finding the Fourth Proportional to 10,905.02, 16,351.56 and 3,406.52

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Solution

The fourth proportional to 10,905.02, 16,351.56 and 3,406.52 is: 5,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.02 : 16,351.56 = 3,406.52 : x
  2. Step 2: Convert to fraction form
    10,905.02/16,351.56 = 3,406.52/x
  3. Step 3: Cross multiply
    10,905.02x = 16,351.56 × 3,406.52
  4. Step 4: Simplify right side
    10,905.02x = 55,701,916.17
  5. Step 5: Solve for x
    x = 55,701,916.17/10,905.02
  6. Step 6: Final answer
    x = 5,107.92

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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.