Home / 12,596.88-17,353.62-8,812.98

Finding the Fourth Proportional to 12,596.88, 17,353.62 and 8,812.98

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Solution

The fourth proportional to 12,596.88, 17,353.62 and 8,812.98 is: 12,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.88 : 17,353.62 = 8,812.98 : x
  2. Step 2: Convert to fraction form
    12,596.88/17,353.62 = 8,812.98/x
  3. Step 3: Cross multiply
    12,596.88x = 17,353.62 × 8,812.98
  4. Step 4: Simplify right side
    12,596.88x = 152,937,105.99
  5. Step 5: Solve for x
    x = 152,937,105.99/12,596.88
  6. Step 6: Final answer
    x = 12,140.87

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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.