Home / 13,622.92-20,475.15-11,298.22

Finding the Fourth Proportional to 13,622.92, 20,475.15 and 11,298.22

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Solution

The fourth proportional to 13,622.92, 20,475.15 and 11,298.22 is: 16,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.92 : 20,475.15 = 11,298.22 : x
  2. Step 2: Convert to fraction form
    13,622.92/20,475.15 = 11,298.22/x
  3. Step 3: Cross multiply
    13,622.92x = 20,475.15 × 11,298.22
  4. Step 4: Simplify right side
    13,622.92x = 231,332,749.23
  5. Step 5: Solve for x
    x = 231,332,749.23/13,622.92
  6. Step 6: Final answer
    x = 16,981.14

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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.