Home / 14,191.80-21,297.30-7,951.80

Finding the Fourth Proportional to 14,191.80, 21,297.30 and 7,951.80

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Solution

The fourth proportional to 14,191.80, 21,297.30 and 7,951.80 is: 11,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.80 : 21,297.30 = 7,951.80 : x
  2. Step 2: Convert to fraction form
    14,191.80/21,297.30 = 7,951.80/x
  3. Step 3: Cross multiply
    14,191.80x = 21,297.30 × 7,951.80
  4. Step 4: Simplify right side
    14,191.80x = 169,351,870.14
  5. Step 5: Solve for x
    x = 169,351,870.14/14,191.80
  6. Step 6: Final answer
    x = 11,933.08

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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.