Home / 13,499.92-18,616.26-9,023.68

Finding the Fourth Proportional to 13,499.92, 18,616.26 and 9,023.68

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Solution

The fourth proportional to 13,499.92, 18,616.26 and 9,023.68 is: 12,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.92 : 18,616.26 = 9,023.68 : x
  2. Step 2: Convert to fraction form
    13,499.92/18,616.26 = 9,023.68/x
  3. Step 3: Cross multiply
    13,499.92x = 18,616.26 × 9,023.68
  4. Step 4: Simplify right side
    13,499.92x = 167,987,173.04
  5. Step 5: Solve for x
    x = 167,987,173.04/13,499.92
  6. Step 6: Final answer
    x = 12,443.57

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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.