Home / 13,960.09-20,944.04-5,645.95

Finding the Fourth Proportional to 13,960.09, 20,944.04 and 5,645.95

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Solution

The fourth proportional to 13,960.09, 20,944.04 and 5,645.95 is: 8,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.09 : 20,944.04 = 5,645.95 : x
  2. Step 2: Convert to fraction form
    13,960.09/20,944.04 = 5,645.95/x
  3. Step 3: Cross multiply
    13,960.09x = 20,944.04 × 5,645.95
  4. Step 4: Simplify right side
    13,960.09x = 118,248,964.39
  5. Step 5: Solve for x
    x = 118,248,964.39/13,960.09
  6. Step 6: Final answer
    x = 8,470.50

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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.