Home / 12,613.62-18,986.21-10,710.93

Finding the Fourth Proportional to 12,613.62, 18,986.21 and 10,710.93

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Solution

The fourth proportional to 12,613.62, 18,986.21 and 10,710.93 is: 16,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.62 : 18,986.21 = 10,710.93 : x
  2. Step 2: Convert to fraction form
    12,613.62/18,986.21 = 10,710.93/x
  3. Step 3: Cross multiply
    12,613.62x = 18,986.21 × 10,710.93
  4. Step 4: Simplify right side
    12,613.62x = 203,359,912.72
  5. Step 5: Solve for x
    x = 203,359,912.72/12,613.62
  6. Step 6: Final answer
    x = 16,122.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.