Home / 10,724.08-16,072.80-9,628.96

Finding the Fourth Proportional to 10,724.08, 16,072.80 and 9,628.96

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Solution

The fourth proportional to 10,724.08, 16,072.80 and 9,628.96 is: 14,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.08 : 16,072.80 = 9,628.96 : x
  2. Step 2: Convert to fraction form
    10,724.08/16,072.80 = 9,628.96/x
  3. Step 3: Cross multiply
    10,724.08x = 16,072.80 × 9,628.96
  4. Step 4: Simplify right side
    10,724.08x = 154,764,348.29
  5. Step 5: Solve for x
    x = 154,764,348.29/10,724.08
  6. Step 6: Final answer
    x = 14,431.48

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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.