Home / 20,964.26-31,426.94-11,095.22

Finding the Fourth Proportional to 20,964.26, 31,426.94 and 11,095.22

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Solution

The fourth proportional to 20,964.26, 31,426.94 and 11,095.22 is: 16,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964.26 : 31,426.94 = 11,095.22 : x
  2. Step 2: Convert to fraction form
    20,964.26/31,426.94 = 11,095.22/x
  3. Step 3: Cross multiply
    20,964.26x = 31,426.94 × 11,095.22
  4. Step 4: Simplify right side
    20,964.26x = 348,688,813.23
  5. Step 5: Solve for x
    x = 348,688,813.23/20,964.26
  6. Step 6: Final answer
    x = 16,632.54

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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.