Home / 14,406.48-19,882.62-8,119.98

Finding the Fourth Proportional to 14,406.48, 19,882.62 and 8,119.98

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Solution

The fourth proportional to 14,406.48, 19,882.62 and 8,119.98 is: 11,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.48 : 19,882.62 = 8,119.98 : x
  2. Step 2: Convert to fraction form
    14,406.48/19,882.62 = 8,119.98/x
  3. Step 3: Cross multiply
    14,406.48x = 19,882.62 × 8,119.98
  4. Step 4: Simplify right side
    14,406.48x = 161,446,476.75
  5. Step 5: Solve for x
    x = 161,446,476.75/14,406.48
  6. Step 6: Final answer
    x = 11,206.52

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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.