Home / 13,552.34-18,703.86-8,247.92

Finding the Fourth Proportional to 13,552.34, 18,703.86 and 8,247.92

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Solution

The fourth proportional to 13,552.34, 18,703.86 and 8,247.92 is: 11,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.34 : 18,703.86 = 8,247.92 : x
  2. Step 2: Convert to fraction form
    13,552.34/18,703.86 = 8,247.92/x
  3. Step 3: Cross multiply
    13,552.34x = 18,703.86 × 8,247.92
  4. Step 4: Simplify right side
    13,552.34x = 154,267,940.97
  5. Step 5: Solve for x
    x = 154,267,940.97/13,552.34
  6. Step 6: Final answer
    x = 11,383.12

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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.