Home / 13,179.30-19,771.02-4,412.18

Finding the Fourth Proportional to 13,179.30, 19,771.02 and 4,412.18

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Solution

The fourth proportional to 13,179.30, 19,771.02 and 4,412.18 is: 6,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.30 : 19,771.02 = 4,412.18 : x
  2. Step 2: Convert to fraction form
    13,179.30/19,771.02 = 4,412.18/x
  3. Step 3: Cross multiply
    13,179.30x = 19,771.02 × 4,412.18
  4. Step 4: Simplify right side
    13,179.30x = 87,233,299.02
  5. Step 5: Solve for x
    x = 87,233,299.02/13,179.30
  6. Step 6: Final answer
    x = 6,618.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.