Home / 13,272.03-18,329.76-8,248.28

Finding the Fourth Proportional to 13,272.03, 18,329.76 and 8,248.28

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Solution

The fourth proportional to 13,272.03, 18,329.76 and 8,248.28 is: 11,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.03 : 18,329.76 = 8,248.28 : x
  2. Step 2: Convert to fraction form
    13,272.03/18,329.76 = 8,248.28/x
  3. Step 3: Cross multiply
    13,272.03x = 18,329.76 × 8,248.28
  4. Step 4: Simplify right side
    13,272.03x = 151,188,901.16
  5. Step 5: Solve for x
    x = 151,188,901.16/13,272.03
  6. Step 6: Final answer
    x = 11,391.54

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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.