Home / 13,018.41-19,527.62-3,658.05

Finding the Fourth Proportional to 13,018.41, 19,527.62 and 3,658.05

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Solution

The fourth proportional to 13,018.41, 19,527.62 and 3,658.05 is: 5,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.41 : 19,527.62 = 3,658.05 : x
  2. Step 2: Convert to fraction form
    13,018.41/19,527.62 = 3,658.05/x
  3. Step 3: Cross multiply
    13,018.41x = 19,527.62 × 3,658.05
  4. Step 4: Simplify right side
    13,018.41x = 71,433,042.38
  5. Step 5: Solve for x
    x = 71,433,042.38/13,018.41
  6. Step 6: Final answer
    x = 5,487.08

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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.