Home / 13,370.72-20,063-5,980.28

Finding the Fourth Proportional to 13,370.72, 20,063 and 5,980.28

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Solution

The fourth proportional to 13,370.72, 20,063 and 5,980.28 is: 8,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.72 : 20,063 = 5,980.28 : x
  2. Step 2: Convert to fraction form
    13,370.72/20,063 = 5,980.28/x
  3. Step 3: Cross multiply
    13,370.72x = 20,063 × 5,980.28
  4. Step 4: Simplify right side
    13,370.72x = 119,982,357.64
  5. Step 5: Solve for x
    x = 119,982,357.64/13,370.72
  6. Step 6: Final answer
    x = 8,973.52

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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.