Home / 10,672.36-16,005.30-5,477.56

Finding the Fourth Proportional to 10,672.36, 16,005.30 and 5,477.56

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Solution

The fourth proportional to 10,672.36, 16,005.30 and 5,477.56 is: 8,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.36 : 16,005.30 = 5,477.56 : x
  2. Step 2: Convert to fraction form
    10,672.36/16,005.30 = 5,477.56/x
  3. Step 3: Cross multiply
    10,672.36x = 16,005.30 × 5,477.56
  4. Step 4: Simplify right side
    10,672.36x = 87,669,991.07
  5. Step 5: Solve for x
    x = 87,669,991.07/10,672.36
  6. Step 6: Final answer
    x = 8,214.68

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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.