Home / 14,687.65-20,308.83-14,450.25

Finding the Fourth Proportional to 14,687.65, 20,308.83 and 14,450.25

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Solution

The fourth proportional to 14,687.65, 20,308.83 and 14,450.25 is: 19,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.65 : 20,308.83 = 14,450.25 : x
  2. Step 2: Convert to fraction form
    14,687.65/20,308.83 = 14,450.25/x
  3. Step 3: Cross multiply
    14,687.65x = 20,308.83 × 14,450.25
  4. Step 4: Simplify right side
    14,687.65x = 293,467,692.68
  5. Step 5: Solve for x
    x = 293,467,692.68/14,687.65
  6. Step 6: Final answer
    x = 19,980.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.