Home / 18,258.72-25,197.12-10,301.28

Finding the Fourth Proportional to 18,258.72, 25,197.12 and 10,301.28

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Solution

The fourth proportional to 18,258.72, 25,197.12 and 10,301.28 is: 14,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.72 : 25,197.12 = 10,301.28 : x
  2. Step 2: Convert to fraction form
    18,258.72/25,197.12 = 10,301.28/x
  3. Step 3: Cross multiply
    18,258.72x = 25,197.12 × 10,301.28
  4. Step 4: Simplify right side
    18,258.72x = 259,562,588.31
  5. Step 5: Solve for x
    x = 259,562,588.31/18,258.72
  6. Step 6: Final answer
    x = 14,215.82

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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.