Home / 18,279.02-25,225.05-10,321.76

Finding the Fourth Proportional to 18,279.02, 25,225.05 and 10,321.76

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Solution

The fourth proportional to 18,279.02, 25,225.05 and 10,321.76 is: 14,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.02 : 25,225.05 = 10,321.76 : x
  2. Step 2: Convert to fraction form
    18,279.02/25,225.05 = 10,321.76/x
  3. Step 3: Cross multiply
    18,279.02x = 25,225.05 × 10,321.76
  4. Step 4: Simplify right side
    18,279.02x = 260,366,912.09
  5. Step 5: Solve for x
    x = 260,366,912.09/18,279.02
  6. Step 6: Final answer
    x = 14,244.03

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Half scale
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Double scale
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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.