Home / 14,113.80-21,179.10-5,349.60

Finding the Fourth Proportional to 14,113.80, 21,179.10 and 5,349.60

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Solution

The fourth proportional to 14,113.80, 21,179.10 and 5,349.60 is: 8,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.80 : 21,179.10 = 5,349.60 : x
  2. Step 2: Convert to fraction form
    14,113.80/21,179.10 = 5,349.60/x
  3. Step 3: Cross multiply
    14,113.80x = 21,179.10 × 5,349.60
  4. Step 4: Simplify right side
    14,113.80x = 113,299,713.36
  5. Step 5: Solve for x
    x = 113,299,713.36/14,113.80
  6. Step 6: Final answer
    x = 8,027.58

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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.