Home / 10,811.52-16,206.96-4,235.52

Finding the Fourth Proportional to 10,811.52, 16,206.96 and 4,235.52

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Solution

The fourth proportional to 10,811.52, 16,206.96 and 4,235.52 is: 6,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.52 : 16,206.96 = 4,235.52 : x
  2. Step 2: Convert to fraction form
    10,811.52/16,206.96 = 4,235.52/x
  3. Step 3: Cross multiply
    10,811.52x = 16,206.96 × 4,235.52
  4. Step 4: Simplify right side
    10,811.52x = 68,644,903.22
  5. Step 5: Solve for x
    x = 68,644,903.22/10,811.52
  6. Step 6: Final answer
    x = 6,349.24

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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.