Home / 18,742.35-25,837.05-14,258.31

Finding the Fourth Proportional to 18,742.35, 25,837.05 and 14,258.31

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Solution

The fourth proportional to 18,742.35, 25,837.05 and 14,258.31 is: 19,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.35 : 25,837.05 = 14,258.31 : x
  2. Step 2: Convert to fraction form
    18,742.35/25,837.05 = 14,258.31/x
  3. Step 3: Cross multiply
    18,742.35x = 25,837.05 × 14,258.31
  4. Step 4: Simplify right side
    18,742.35x = 368,392,668.39
  5. Step 5: Solve for x
    x = 368,392,668.39/18,742.35
  6. Step 6: Final answer
    x = 19,655.63

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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.