Home / 20,313.92-28,034.64-11,362.26

Finding the Fourth Proportional to 20,313.92, 28,034.64 and 11,362.26

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Solution

The fourth proportional to 20,313.92, 28,034.64 and 11,362.26 is: 15,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.92 : 28,034.64 = 11,362.26 : x
  2. Step 2: Convert to fraction form
    20,313.92/28,034.64 = 11,362.26/x
  3. Step 3: Cross multiply
    20,313.92x = 28,034.64 × 11,362.26
  4. Step 4: Simplify right side
    20,313.92x = 318,536,868.69
  5. Step 5: Solve for x
    x = 318,536,868.69/20,313.92
  6. Step 6: Final answer
    x = 15,680.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.