Home / 14,027.05-21,022.40-5,697.31

Finding the Fourth Proportional to 14,027.05, 21,022.40 and 5,697.31

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Solution

The fourth proportional to 14,027.05, 21,022.40 and 5,697.31 is: 8,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.05 : 21,022.40 = 5,697.31 : x
  2. Step 2: Convert to fraction form
    14,027.05/21,022.40 = 5,697.31/x
  3. Step 3: Cross multiply
    14,027.05x = 21,022.40 × 5,697.31
  4. Step 4: Simplify right side
    14,027.05x = 119,771,129.74
  5. Step 5: Solve for x
    x = 119,771,129.74/14,027.05
  6. Step 6: Final answer
    x = 8,538.58

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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.