Home / 13,743.57-20,614.31-4,383.21

Finding the Fourth Proportional to 13,743.57, 20,614.31 and 4,383.21

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Solution

The fourth proportional to 13,743.57, 20,614.31 and 4,383.21 is: 6,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.57 : 20,614.31 = 4,383.21 : x
  2. Step 2: Convert to fraction form
    13,743.57/20,614.31 = 4,383.21/x
  3. Step 3: Cross multiply
    13,743.57x = 20,614.31 × 4,383.21
  4. Step 4: Simplify right side
    13,743.57x = 90,356,746.66
  5. Step 5: Solve for x
    x = 90,356,746.66/13,743.57
  6. Step 6: Final answer
    x = 6,574.48

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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.