Home / 15,516.62-23,274.96-12,777.38

Finding the Fourth Proportional to 15,516.62, 23,274.96 and 12,777.38

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Solution

The fourth proportional to 15,516.62, 23,274.96 and 12,777.38 is: 19,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.62 : 23,274.96 = 12,777.38 : x
  2. Step 2: Convert to fraction form
    15,516.62/23,274.96 = 12,777.38/x
  3. Step 3: Cross multiply
    15,516.62x = 23,274.96 × 12,777.38
  4. Step 4: Simplify right side
    15,516.62x = 297,393,008.40
  5. Step 5: Solve for x
    x = 297,393,008.40/15,516.62
  6. Step 6: Final answer
    x = 19,166.09

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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.