Home / 14,446.80-21,713.40-14,187.60

Finding the Fourth Proportional to 14,446.80, 21,713.40 and 14,187.60

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Solution

The fourth proportional to 14,446.80, 21,713.40 and 14,187.60 is: 21,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.80 : 21,713.40 = 14,187.60 : x
  2. Step 2: Convert to fraction form
    14,446.80/21,713.40 = 14,187.60/x
  3. Step 3: Cross multiply
    14,446.80x = 21,713.40 × 14,187.60
  4. Step 4: Simplify right side
    14,446.80x = 308,061,033.84
  5. Step 5: Solve for x
    x = 308,061,033.84/14,446.80
  6. Step 6: Final answer
    x = 21,323.82

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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.