Home / 12,258.36-18,385.08-5,236.26

Finding the Fourth Proportional to 12,258.36, 18,385.08 and 5,236.26

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Solution

The fourth proportional to 12,258.36, 18,385.08 and 5,236.26 is: 7,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.36 : 18,385.08 = 5,236.26 : x
  2. Step 2: Convert to fraction form
    12,258.36/18,385.08 = 5,236.26/x
  3. Step 3: Cross multiply
    12,258.36x = 18,385.08 × 5,236.26
  4. Step 4: Simplify right side
    12,258.36x = 96,269,059.00
  5. Step 5: Solve for x
    x = 96,269,059.00/12,258.36
  6. Step 6: Final answer
    x = 7,853.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.