Home / 11,225.91-16,817.29-6,280.56

Finding the Fourth Proportional to 11,225.91, 16,817.29 and 6,280.56

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Solution

The fourth proportional to 11,225.91, 16,817.29 and 6,280.56 is: 9,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.91 : 16,817.29 = 6,280.56 : x
  2. Step 2: Convert to fraction form
    11,225.91/16,817.29 = 6,280.56/x
  3. Step 3: Cross multiply
    11,225.91x = 16,817.29 × 6,280.56
  4. Step 4: Simplify right side
    11,225.91x = 105,621,998.88
  5. Step 5: Solve for x
    x = 105,621,998.88/11,225.91
  6. Step 6: Final answer
    x = 9,408.77

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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.