Home / 14,381.28-21,571.94-4,521.42

Finding the Fourth Proportional to 14,381.28, 21,571.94 and 4,521.42

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Solution

The fourth proportional to 14,381.28, 21,571.94 and 4,521.42 is: 6,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.28 : 21,571.94 = 4,521.42 : x
  2. Step 2: Convert to fraction form
    14,381.28/21,571.94 = 4,521.42/x
  3. Step 3: Cross multiply
    14,381.28x = 21,571.94 × 4,521.42
  4. Step 4: Simplify right side
    14,381.28x = 97,535,778.35
  5. Step 5: Solve for x
    x = 97,535,778.35/14,381.28
  6. Step 6: Final answer
    x = 6,782.13

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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.