Home / 13,279.48-19,921.04-4,512.04

Finding the Fourth Proportional to 13,279.48, 19,921.04 and 4,512.04

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Solution

The fourth proportional to 13,279.48, 19,921.04 and 4,512.04 is: 6,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.48 : 19,921.04 = 4,512.04 : x
  2. Step 2: Convert to fraction form
    13,279.48/19,921.04 = 4,512.04/x
  3. Step 3: Cross multiply
    13,279.48x = 19,921.04 × 4,512.04
  4. Step 4: Simplify right side
    13,279.48x = 89,884,529.32
  5. Step 5: Solve for x
    x = 89,884,529.32/13,279.48
  6. Step 6: Final answer
    x = 6,768.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.