Home / 13,801.39-20,700.11-4,440.17

Finding the Fourth Proportional to 13,801.39, 20,700.11 and 4,440.17

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Solution

The fourth proportional to 13,801.39, 20,700.11 and 4,440.17 is: 6,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.39 : 20,700.11 = 4,440.17 : x
  2. Step 2: Convert to fraction form
    13,801.39/20,700.11 = 4,440.17/x
  3. Step 3: Cross multiply
    13,801.39x = 20,700.11 × 4,440.17
  4. Step 4: Simplify right side
    13,801.39x = 91,911,928.86
  5. Step 5: Solve for x
    x = 91,911,928.86/13,801.39
  6. Step 6: Final answer
    x = 6,659.62

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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.