Home / 8,772.98-13,161.09-7,536.92

Finding the Fourth Proportional to 8,772.98, 13,161.09 and 7,536.92

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Solution

The fourth proportional to 8,772.98, 13,161.09 and 7,536.92 is: 11,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.98 : 13,161.09 = 7,536.92 : x
  2. Step 2: Convert to fraction form
    8,772.98/13,161.09 = 7,536.92/x
  3. Step 3: Cross multiply
    8,772.98x = 13,161.09 × 7,536.92
  4. Step 4: Simplify right side
    8,772.98x = 99,194,082.44
  5. Step 5: Solve for x
    x = 99,194,082.44/8,772.98
  6. Step 6: Final answer
    x = 11,306.77

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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.