Home / 8,953.92-13,433.40-3,111.12

Finding the Fourth Proportional to 8,953.92, 13,433.40 and 3,111.12

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Solution

The fourth proportional to 8,953.92, 13,433.40 and 3,111.12 is: 4,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.92 : 13,433.40 = 3,111.12 : x
  2. Step 2: Convert to fraction form
    8,953.92/13,433.40 = 3,111.12/x
  3. Step 3: Cross multiply
    8,953.92x = 13,433.40 × 3,111.12
  4. Step 4: Simplify right side
    8,953.92x = 41,792,919.41
  5. Step 5: Solve for x
    x = 41,792,919.41/8,953.92
  6. Step 6: Final answer
    x = 4,667.56

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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.