Home / 14,144.13-21,222.34-5,381.55

Finding the Fourth Proportional to 14,144.13, 21,222.34 and 5,381.55

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Solution

The fourth proportional to 14,144.13, 21,222.34 and 5,381.55 is: 8,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.13 : 21,222.34 = 5,381.55 : x
  2. Step 2: Convert to fraction form
    14,144.13/21,222.34 = 5,381.55/x
  3. Step 3: Cross multiply
    14,144.13x = 21,222.34 × 5,381.55
  4. Step 4: Simplify right side
    14,144.13x = 114,209,070.37
  5. Step 5: Solve for x
    x = 114,209,070.37/14,144.13
  6. Step 6: Final answer
    x = 8,074.66

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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.