Home / 13,309.27-18,365.06-7,644.26

Finding the Fourth Proportional to 13,309.27, 18,365.06 and 7,644.26

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Solution

The fourth proportional to 13,309.27, 18,365.06 and 7,644.26 is: 10,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.27 : 18,365.06 = 7,644.26 : x
  2. Step 2: Convert to fraction form
    13,309.27/18,365.06 = 7,644.26/x
  3. Step 3: Cross multiply
    13,309.27x = 18,365.06 × 7,644.26
  4. Step 4: Simplify right side
    13,309.27x = 140,387,358.58
  5. Step 5: Solve for x
    x = 140,387,358.58/13,309.27
  6. Step 6: Final answer
    x = 10,548.09

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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.