Home / 18,292.32-25,250.40-11,228.34

Finding the Fourth Proportional to 18,292.32, 25,250.40 and 11,228.34

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Solution

The fourth proportional to 18,292.32, 25,250.40 and 11,228.34 is: 15,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.32 : 25,250.40 = 11,228.34 : x
  2. Step 2: Convert to fraction form
    18,292.32/25,250.40 = 11,228.34/x
  3. Step 3: Cross multiply
    18,292.32x = 25,250.40 × 11,228.34
  4. Step 4: Simplify right side
    18,292.32x = 283,520,076.34
  5. Step 5: Solve for x
    x = 283,520,076.34/18,292.32
  6. Step 6: Final answer
    x = 15,499.41

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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.