Home / 11,463.02-17,172.57-7,758.86

Finding the Fourth Proportional to 11,463.02, 17,172.57 and 7,758.86

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Solution

The fourth proportional to 11,463.02, 17,172.57 and 7,758.86 is: 11,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.02 : 17,172.57 = 7,758.86 : x
  2. Step 2: Convert to fraction form
    11,463.02/17,172.57 = 7,758.86/x
  3. Step 3: Cross multiply
    11,463.02x = 17,172.57 × 7,758.86
  4. Step 4: Simplify right side
    11,463.02x = 133,239,566.47
  5. Step 5: Solve for x
    x = 133,239,566.47/11,463.02
  6. Step 6: Final answer
    x = 11,623.43

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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.