Home / 14,148.96-21,223.44-5,381.82

Finding the Fourth Proportional to 14,148.96, 21,223.44 and 5,381.82

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Solution

The fourth proportional to 14,148.96, 21,223.44 and 5,381.82 is: 8,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.96 : 21,223.44 = 5,381.82 : x
  2. Step 2: Convert to fraction form
    14,148.96/21,223.44 = 5,381.82/x
  3. Step 3: Cross multiply
    14,148.96x = 21,223.44 × 5,381.82
  4. Step 4: Simplify right side
    14,148.96x = 114,220,733.86
  5. Step 5: Solve for x
    x = 114,220,733.86/14,148.96
  6. Step 6: Final answer
    x = 8,072.73

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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.