Home / 14,187.42-19,571.63-8,519.45

Finding the Fourth Proportional to 14,187.42, 19,571.63 and 8,519.45

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Solution

The fourth proportional to 14,187.42, 19,571.63 and 8,519.45 is: 11,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.42 : 19,571.63 = 8,519.45 : x
  2. Step 2: Convert to fraction form
    14,187.42/19,571.63 = 8,519.45/x
  3. Step 3: Cross multiply
    14,187.42x = 19,571.63 × 8,519.45
  4. Step 4: Simplify right side
    14,187.42x = 166,739,382.75
  5. Step 5: Solve for x
    x = 166,739,382.75/14,187.42
  6. Step 6: Final answer
    x = 11,752.62

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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.