Home / 13,693.27-20,542.43-4,335.64

Finding the Fourth Proportional to 13,693.27, 20,542.43 and 4,335.64

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Solution

The fourth proportional to 13,693.27, 20,542.43 and 4,335.64 is: 6,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.27 : 20,542.43 = 4,335.64 : x
  2. Step 2: Convert to fraction form
    13,693.27/20,542.43 = 4,335.64/x
  3. Step 3: Cross multiply
    13,693.27x = 20,542.43 × 4,335.64
  4. Step 4: Simplify right side
    13,693.27x = 89,064,581.21
  5. Step 5: Solve for x
    x = 89,064,581.21/13,693.27
  6. Step 6: Final answer
    x = 6,504.26

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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.