Home / 10,869.71-16,313.79-5,942.81

Finding the Fourth Proportional to 10,869.71, 16,313.79 and 5,942.81

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Solution

The fourth proportional to 10,869.71, 16,313.79 and 5,942.81 is: 8,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.71 : 16,313.79 = 5,942.81 : x
  2. Step 2: Convert to fraction form
    10,869.71/16,313.79 = 5,942.81/x
  3. Step 3: Cross multiply
    10,869.71x = 16,313.79 × 5,942.81
  4. Step 4: Simplify right side
    10,869.71x = 96,949,754.35
  5. Step 5: Solve for x
    x = 96,949,754.35/10,869.71
  6. Step 6: Final answer
    x = 8,919.26

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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.