Home / 14,591.80-21,887.70-4,202.20

Finding the Fourth Proportional to 14,591.80, 21,887.70 and 4,202.20

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Solution

The fourth proportional to 14,591.80, 21,887.70 and 4,202.20 is: 6,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.80 : 21,887.70 = 4,202.20 : x
  2. Step 2: Convert to fraction form
    14,591.80/21,887.70 = 4,202.20/x
  3. Step 3: Cross multiply
    14,591.80x = 21,887.70 × 4,202.20
  4. Step 4: Simplify right side
    14,591.80x = 91,976,492.94
  5. Step 5: Solve for x
    x = 91,976,492.94/14,591.80
  6. Step 6: Final answer
    x = 6,303.30

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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.