Home / 14,040.68-21,042.80-5,711.00

Finding the Fourth Proportional to 14,040.68, 21,042.80 and 5,711.00

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Solution

The fourth proportional to 14,040.68, 21,042.80 and 5,711.00 is: 8,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.68 : 21,042.80 = 5,711.00 : x
  2. Step 2: Convert to fraction form
    14,040.68/21,042.80 = 5,711.00/x
  3. Step 3: Cross multiply
    14,040.68x = 21,042.80 × 5,711.00
  4. Step 4: Simplify right side
    14,040.68x = 120,175,297.03
  5. Step 5: Solve for x
    x = 120,175,297.03/14,040.68
  6. Step 6: Final answer
    x = 8,559.08

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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.