Home / 10,825.92-16,232.80-6,446.40

Finding the Fourth Proportional to 10,825.92, 16,232.80 and 6,446.40

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Solution

The fourth proportional to 10,825.92, 16,232.80 and 6,446.40 is: 9,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.92 : 16,232.80 = 6,446.40 : x
  2. Step 2: Convert to fraction form
    10,825.92/16,232.80 = 6,446.40/x
  3. Step 3: Cross multiply
    10,825.92x = 16,232.80 × 6,446.40
  4. Step 4: Simplify right side
    10,825.92x = 104,643,121.92
  5. Step 5: Solve for x
    x = 104,643,121.92/10,825.92
  6. Step 6: Final answer
    x = 9,665.98

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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.