Home / 18,242.19-25,174.22-9,858.69

Finding the Fourth Proportional to 18,242.19, 25,174.22 and 9,858.69

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Solution

The fourth proportional to 18,242.19, 25,174.22 and 9,858.69 is: 13,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.19 : 25,174.22 = 9,858.69 : x
  2. Step 2: Convert to fraction form
    18,242.19/25,174.22 = 9,858.69/x
  3. Step 3: Cross multiply
    18,242.19x = 25,174.22 × 9,858.69
  4. Step 4: Simplify right side
    18,242.19x = 248,184,830.97
  5. Step 5: Solve for x
    x = 248,184,830.97/18,242.19
  6. Step 6: Final answer
    x = 13,604.99

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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.