Home / 13,589.22-18,744.49-9,817.92

Finding the Fourth Proportional to 13,589.22, 18,744.49 and 9,817.92

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Solution

The fourth proportional to 13,589.22, 18,744.49 and 9,817.92 is: 13,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.22 : 18,744.49 = 9,817.92 : x
  2. Step 2: Convert to fraction form
    13,589.22/18,744.49 = 9,817.92/x
  3. Step 3: Cross multiply
    13,589.22x = 18,744.49 × 9,817.92
  4. Step 4: Simplify right side
    13,589.22x = 184,031,903.26
  5. Step 5: Solve for x
    x = 184,031,903.26/13,589.22
  6. Step 6: Final answer
    x = 13,542.49

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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.