Home / 10,834.08-16,230.36-6,438.20

Finding the Fourth Proportional to 10,834.08, 16,230.36 and 6,438.20

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Solution

The fourth proportional to 10,834.08, 16,230.36 and 6,438.20 is: 9,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.08 : 16,230.36 = 6,438.20 : x
  2. Step 2: Convert to fraction form
    10,834.08/16,230.36 = 6,438.20/x
  3. Step 3: Cross multiply
    10,834.08x = 16,230.36 × 6,438.20
  4. Step 4: Simplify right side
    10,834.08x = 104,494,303.75
  5. Step 5: Solve for x
    x = 104,494,303.75/10,834.08
  6. Step 6: Final answer
    x = 9,644.96

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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.