Home / 18,635.93-25,717.59-10,682.78

Finding the Fourth Proportional to 18,635.93, 25,717.59 and 10,682.78

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Solution

The fourth proportional to 18,635.93, 25,717.59 and 10,682.78 is: 14,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.93 : 25,717.59 = 10,682.78 : x
  2. Step 2: Convert to fraction form
    18,635.93/25,717.59 = 10,682.78/x
  3. Step 3: Cross multiply
    18,635.93x = 25,717.59 × 10,682.78
  4. Step 4: Simplify right side
    18,635.93x = 274,735,227.51
  5. Step 5: Solve for x
    x = 274,735,227.51/18,635.93
  6. Step 6: Final answer
    x = 14,742.24

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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.