Home / 9,141.44-13,707.83-4,209.62

Finding the Fourth Proportional to 9,141.44, 13,707.83 and 4,209.62

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Solution

The fourth proportional to 9,141.44, 13,707.83 and 4,209.62 is: 6,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.44 : 13,707.83 = 4,209.62 : x
  2. Step 2: Convert to fraction form
    9,141.44/13,707.83 = 4,209.62/x
  3. Step 3: Cross multiply
    9,141.44x = 13,707.83 × 4,209.62
  4. Step 4: Simplify right side
    9,141.44x = 57,704,697.31
  5. Step 5: Solve for x
    x = 57,704,697.31/9,141.44
  6. Step 6: Final answer
    x = 6,312.43

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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.