Home / 10,662.27-15,998.40-5,471.79

Finding the Fourth Proportional to 10,662.27, 15,998.40 and 5,471.79

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Solution

The fourth proportional to 10,662.27, 15,998.40 and 5,471.79 is: 8,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.27 : 15,998.40 = 5,471.79 : x
  2. Step 2: Convert to fraction form
    10,662.27/15,998.40 = 5,471.79/x
  3. Step 3: Cross multiply
    10,662.27x = 15,998.40 × 5,471.79
  4. Step 4: Simplify right side
    10,662.27x = 87,539,885.14
  5. Step 5: Solve for x
    x = 87,539,885.14/10,662.27
  6. Step 6: Final answer
    x = 8,210.25

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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.