Home / 14,129.74-21,187.50-5,807.44

Finding the Fourth Proportional to 14,129.74, 21,187.50 and 5,807.44

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Solution

The fourth proportional to 14,129.74, 21,187.50 and 5,807.44 is: 8,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.74 : 21,187.50 = 5,807.44 : x
  2. Step 2: Convert to fraction form
    14,129.74/21,187.50 = 5,807.44/x
  3. Step 3: Cross multiply
    14,129.74x = 21,187.50 × 5,807.44
  4. Step 4: Simplify right side
    14,129.74x = 123,045,135.00
  5. Step 5: Solve for x
    x = 123,045,135.00/14,129.74
  6. Step 6: Final answer
    x = 8,708.24

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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.