Home / 13,727.29-18,945.33-8,952.34

Finding the Fourth Proportional to 13,727.29, 18,945.33 and 8,952.34

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Solution

The fourth proportional to 13,727.29, 18,945.33 and 8,952.34 is: 12,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.29 : 18,945.33 = 8,952.34 : x
  2. Step 2: Convert to fraction form
    13,727.29/18,945.33 = 8,952.34/x
  3. Step 3: Cross multiply
    13,727.29x = 18,945.33 × 8,952.34
  4. Step 4: Simplify right side
    13,727.29x = 169,605,035.57
  5. Step 5: Solve for x
    x = 169,605,035.57/13,727.29
  6. Step 6: Final answer
    x = 12,355.32

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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.