Home / 14,124.38-19,491.84-7,836.75

Finding the Fourth Proportional to 14,124.38, 19,491.84 and 7,836.75

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Solution

The fourth proportional to 14,124.38, 19,491.84 and 7,836.75 is: 10,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.38 : 19,491.84 = 7,836.75 : x
  2. Step 2: Convert to fraction form
    14,124.38/19,491.84 = 7,836.75/x
  3. Step 3: Cross multiply
    14,124.38x = 19,491.84 × 7,836.75
  4. Step 4: Simplify right side
    14,124.38x = 152,752,677.12
  5. Step 5: Solve for x
    x = 152,752,677.12/14,124.38
  6. Step 6: Final answer
    x = 10,814.83

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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.