Home / 20,269.62-27,973.31-11,317.10

Finding the Fourth Proportional to 20,269.62, 27,973.31 and 11,317.10

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Solution

The fourth proportional to 20,269.62, 27,973.31 and 11,317.10 is: 15,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.62 : 27,973.31 = 11,317.10 : x
  2. Step 2: Convert to fraction form
    20,269.62/27,973.31 = 11,317.10/x
  3. Step 3: Cross multiply
    20,269.62x = 27,973.31 × 11,317.10
  4. Step 4: Simplify right side
    20,269.62x = 316,576,550.15
  5. Step 5: Solve for x
    x = 316,576,550.15/20,269.62
  6. Step 6: Final answer
    x = 15,618.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.