Home / 14,381.83-21,543.58-7,441.75

Finding the Fourth Proportional to 14,381.83, 21,543.58 and 7,441.75

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Solution

The fourth proportional to 14,381.83, 21,543.58 and 7,441.75 is: 11,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.83 : 21,543.58 = 7,441.75 : x
  2. Step 2: Convert to fraction form
    14,381.83/21,543.58 = 7,441.75/x
  3. Step 3: Cross multiply
    14,381.83x = 21,543.58 × 7,441.75
  4. Step 4: Simplify right side
    14,381.83x = 160,321,936.47
  5. Step 5: Solve for x
    x = 160,321,936.47/14,381.83
  6. Step 6: Final answer
    x = 11,147.53

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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.