Home / 13,895.99-19,178.33-8,230.30

Finding the Fourth Proportional to 13,895.99, 19,178.33 and 8,230.30

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Solution

The fourth proportional to 13,895.99, 19,178.33 and 8,230.30 is: 11,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.99 : 19,178.33 = 8,230.30 : x
  2. Step 2: Convert to fraction form
    13,895.99/19,178.33 = 8,230.30/x
  3. Step 3: Cross multiply
    13,895.99x = 19,178.33 × 8,230.30
  4. Step 4: Simplify right side
    13,895.99x = 157,843,272.36
  5. Step 5: Solve for x
    x = 157,843,272.36/13,895.99
  6. Step 6: Final answer
    x = 11,358.91

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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.