Home / 12,521.98-18,756.33-10,170.94

Finding the Fourth Proportional to 12,521.98, 18,756.33 and 10,170.94

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Solution

The fourth proportional to 12,521.98, 18,756.33 and 10,170.94 is: 15,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.98 : 18,756.33 = 10,170.94 : x
  2. Step 2: Convert to fraction form
    12,521.98/18,756.33 = 10,170.94/x
  3. Step 3: Cross multiply
    12,521.98x = 18,756.33 × 10,170.94
  4. Step 4: Simplify right side
    12,521.98x = 190,769,507.05
  5. Step 5: Solve for x
    x = 190,769,507.05/12,521.98
  6. Step 6: Final answer
    x = 15,234.77

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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.