Home / 13,960.32-20,940.48-3,966.08

Finding the Fourth Proportional to 13,960.32, 20,940.48 and 3,966.08

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Solution

The fourth proportional to 13,960.32, 20,940.48 and 3,966.08 is: 5,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.32 : 20,940.48 = 3,966.08 : x
  2. Step 2: Convert to fraction form
    13,960.32/20,940.48 = 3,966.08/x
  3. Step 3: Cross multiply
    13,960.32x = 20,940.48 × 3,966.08
  4. Step 4: Simplify right side
    13,960.32x = 83,051,618.92
  5. Step 5: Solve for x
    x = 83,051,618.92/13,960.32
  6. Step 6: Final answer
    x = 5,949.12

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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.