Home / 13,741.44-20,605.68-5,306.64

Finding the Fourth Proportional to 13,741.44, 20,605.68 and 5,306.64

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Solution

The fourth proportional to 13,741.44, 20,605.68 and 5,306.64 is: 7,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.44 : 20,605.68 = 5,306.64 : x
  2. Step 2: Convert to fraction form
    13,741.44/20,605.68 = 5,306.64/x
  3. Step 3: Cross multiply
    13,741.44x = 20,605.68 × 5,306.64
  4. Step 4: Simplify right side
    13,741.44x = 109,346,925.72
  5. Step 5: Solve for x
    x = 109,346,925.72/13,741.44
  6. Step 6: Final answer
    x = 7,957.46

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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.