Home / 13,690.24-20,537.58-5,365.74

Finding the Fourth Proportional to 13,690.24, 20,537.58 and 5,365.74

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Solution

The fourth proportional to 13,690.24, 20,537.58 and 5,365.74 is: 8,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690.24 : 20,537.58 = 5,365.74 : x
  2. Step 2: Convert to fraction form
    13,690.24/20,537.58 = 5,365.74/x
  3. Step 3: Cross multiply
    13,690.24x = 20,537.58 × 5,365.74
  4. Step 4: Simplify right side
    13,690.24x = 110,199,287.68
  5. Step 5: Solve for x
    x = 110,199,287.68/13,690.24
  6. Step 6: Final answer
    x = 8,049.48

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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.