Home / 14,206.38-19,604.80-7,918.75

Finding the Fourth Proportional to 14,206.38, 19,604.80 and 7,918.75

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Solution

The fourth proportional to 14,206.38, 19,604.80 and 7,918.75 is: 10,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.38 : 19,604.80 = 7,918.75 : x
  2. Step 2: Convert to fraction form
    14,206.38/19,604.80 = 7,918.75/x
  3. Step 3: Cross multiply
    14,206.38x = 19,604.80 × 7,918.75
  4. Step 4: Simplify right side
    14,206.38x = 155,245,510
  5. Step 5: Solve for x
    x = 155,245,510/14,206.38
  6. Step 6: Final answer
    x = 10,927.87

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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.