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Finding the Fourth Proportional to 18,283.08, 25,230.24 and 10,325.10

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Solution

The fourth proportional to 18,283.08, 25,230.24 and 10,325.10 is: 14,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.08 : 25,230.24 = 10,325.10 : x
  2. Step 2: Convert to fraction form
    18,283.08/25,230.24 = 10,325.10/x
  3. Step 3: Cross multiply
    18,283.08x = 25,230.24 × 10,325.10
  4. Step 4: Simplify right side
    18,283.08x = 260,504,751.02
  5. Step 5: Solve for x
    x = 260,504,751.02/18,283.08
  6. Step 6: Final answer
    x = 14,248.41

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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.