Home / 14,126.42-21,181.42-5,356.55

Finding the Fourth Proportional to 14,126.42, 21,181.42 and 5,356.55

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Solution

The fourth proportional to 14,126.42, 21,181.42 and 5,356.55 is: 8,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.42 : 21,181.42 = 5,356.55 : x
  2. Step 2: Convert to fraction form
    14,126.42/21,181.42 = 5,356.55/x
  3. Step 3: Cross multiply
    14,126.42x = 21,181.42 × 5,356.55
  4. Step 4: Simplify right side
    14,126.42x = 113,459,335.30
  5. Step 5: Solve for x
    x = 113,459,335.30/14,126.42
  6. Step 6: Final answer
    x = 8,031.71

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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.