Home / 13,579.27-20,374.08-7,001.26

Finding the Fourth Proportional to 13,579.27, 20,374.08 and 7,001.26

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Solution

The fourth proportional to 13,579.27, 20,374.08 and 7,001.26 is: 10,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.27 : 20,374.08 = 7,001.26 : x
  2. Step 2: Convert to fraction form
    13,579.27/20,374.08 = 7,001.26/x
  3. Step 3: Cross multiply
    13,579.27x = 20,374.08 × 7,001.26
  4. Step 4: Simplify right side
    13,579.27x = 142,644,231.34
  5. Step 5: Solve for x
    x = 142,644,231.34/13,579.27
  6. Step 6: Final answer
    x = 10,504.56

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1.5x scale

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.