Home / 10,905.05-16,359.90-6,227.30

Finding the Fourth Proportional to 10,905.05, 16,359.90 and 6,227.30

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Solution

The fourth proportional to 10,905.05, 16,359.90 and 6,227.30 is: 9,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.05 : 16,359.90 = 6,227.30 : x
  2. Step 2: Convert to fraction form
    10,905.05/16,359.90 = 6,227.30/x
  3. Step 3: Cross multiply
    10,905.05x = 16,359.90 × 6,227.30
  4. Step 4: Simplify right side
    10,905.05x = 101,878,005.27
  5. Step 5: Solve for x
    x = 101,878,005.27/10,905.05
  6. Step 6: Final answer
    x = 9,342.28

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1.5x scale

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.