Home / 14,548.42-20,076.76-8,175.18

Finding the Fourth Proportional to 14,548.42, 20,076.76 and 8,175.18

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Solution

The fourth proportional to 14,548.42, 20,076.76 and 8,175.18 is: 11,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.42 : 20,076.76 = 8,175.18 : x
  2. Step 2: Convert to fraction form
    14,548.42/20,076.76 = 8,175.18/x
  3. Step 3: Cross multiply
    14,548.42x = 20,076.76 × 8,175.18
  4. Step 4: Simplify right side
    14,548.42x = 164,131,126.82
  5. Step 5: Solve for x
    x = 164,131,126.82/14,548.42
  6. Step 6: Final answer
    x = 11,281.71

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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.