Home / 13,463.40-18,576.12-8,086.74

Finding the Fourth Proportional to 13,463.40, 18,576.12 and 8,086.74

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Solution

The fourth proportional to 13,463.40, 18,576.12 and 8,086.74 is: 11,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.40 : 18,576.12 = 8,086.74 : x
  2. Step 2: Convert to fraction form
    13,463.40/18,576.12 = 8,086.74/x
  3. Step 3: Cross multiply
    13,463.40x = 18,576.12 × 8,086.74
  4. Step 4: Simplify right side
    13,463.40x = 150,220,252.65
  5. Step 5: Solve for x
    x = 150,220,252.65/13,463.40
  6. Step 6: Final answer
    x = 11,157.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.