Home / 18,840.64-26,003.70-12,467.36

Finding the Fourth Proportional to 18,840.64, 26,003.70 and 12,467.36

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Solution

The fourth proportional to 18,840.64, 26,003.70 and 12,467.36 is: 17,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.64 : 26,003.70 = 12,467.36 : x
  2. Step 2: Convert to fraction form
    18,840.64/26,003.70 = 12,467.36/x
  3. Step 3: Cross multiply
    18,840.64x = 26,003.70 × 12,467.36
  4. Step 4: Simplify right side
    18,840.64x = 324,197,489.23
  5. Step 5: Solve for x
    x = 324,197,489.23/18,840.64
  6. Step 6: Final answer
    x = 17,207.35

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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.