Home / 18,279.48-25,226.88-10,321.92

Finding the Fourth Proportional to 18,279.48, 25,226.88 and 10,321.92

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Solution

The fourth proportional to 18,279.48, 25,226.88 and 10,321.92 is: 14,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.48 : 25,226.88 = 10,321.92 : x
  2. Step 2: Convert to fraction form
    18,279.48/25,226.88 = 10,321.92/x
  3. Step 3: Cross multiply
    18,279.48x = 25,226.88 × 10,321.92
  4. Step 4: Simplify right side
    18,279.48x = 260,389,837.21
  5. Step 5: Solve for x
    x = 260,389,837.21/18,279.48
  6. Step 6: Final answer
    x = 14,244.93

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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.