Home / 20,956.92-31,440.36-6,166.32

Finding the Fourth Proportional to 20,956.92, 31,440.36 and 6,166.32

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Solution

The fourth proportional to 20,956.92, 31,440.36 and 6,166.32 is: 9,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956.92 : 31,440.36 = 6,166.32 : x
  2. Step 2: Convert to fraction form
    20,956.92/31,440.36 = 6,166.32/x
  3. Step 3: Cross multiply
    20,956.92x = 31,440.36 × 6,166.32
  4. Step 4: Simplify right side
    20,956.92x = 193,871,320.68
  5. Step 5: Solve for x
    x = 193,871,320.68/20,956.92
  6. Step 6: Final answer
    x = 9,250.95

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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.