Home / 14,119.48-21,175.50-6,709.18

Finding the Fourth Proportional to 14,119.48, 21,175.50 and 6,709.18

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Solution

The fourth proportional to 14,119.48, 21,175.50 and 6,709.18 is: 10,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.48 : 21,175.50 = 6,709.18 : x
  2. Step 2: Convert to fraction form
    14,119.48/21,175.50 = 6,709.18/x
  3. Step 3: Cross multiply
    14,119.48x = 21,175.50 × 6,709.18
  4. Step 4: Simplify right side
    14,119.48x = 142,070,241.09
  5. Step 5: Solve for x
    x = 142,070,241.09/14,119.48
  6. Step 6: Final answer
    x = 10,062.00

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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.