Home / 12,521.37-17,255.19-9,338.34

Finding the Fourth Proportional to 12,521.37, 17,255.19 and 9,338.34

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Solution

The fourth proportional to 12,521.37, 17,255.19 and 9,338.34 is: 12,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.37 : 17,255.19 = 9,338.34 : x
  2. Step 2: Convert to fraction form
    12,521.37/17,255.19 = 9,338.34/x
  3. Step 3: Cross multiply
    12,521.37x = 17,255.19 × 9,338.34
  4. Step 4: Simplify right side
    12,521.37x = 161,134,830.98
  5. Step 5: Solve for x
    x = 161,134,830.98/12,521.37
  6. Step 6: Final answer
    x = 12,868.79

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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.