Home / 14,416.50-21,623.15-3,887.57

Finding the Fourth Proportional to 14,416.50, 21,623.15 and 3,887.57

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Solution

The fourth proportional to 14,416.50, 21,623.15 and 3,887.57 is: 5,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.50 : 21,623.15 = 3,887.57 : x
  2. Step 2: Convert to fraction form
    14,416.50/21,623.15 = 3,887.57/x
  3. Step 3: Cross multiply
    14,416.50x = 21,623.15 × 3,887.57
  4. Step 4: Simplify right side
    14,416.50x = 84,061,573.02
  5. Step 5: Solve for x
    x = 84,061,573.02/14,416.50
  6. Step 6: Final answer
    x = 5,830.93

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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.