Home / 18,682.29-25,781.56-10,298.79

Finding the Fourth Proportional to 18,682.29, 25,781.56 and 10,298.79

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Solution

The fourth proportional to 18,682.29, 25,781.56 and 10,298.79 is: 14,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.29 : 25,781.56 = 10,298.79 : x
  2. Step 2: Convert to fraction form
    18,682.29/25,781.56 = 10,298.79/x
  3. Step 3: Cross multiply
    18,682.29x = 25,781.56 × 10,298.79
  4. Step 4: Simplify right side
    18,682.29x = 265,518,846.57
  5. Step 5: Solve for x
    x = 265,518,846.57/18,682.29
  6. Step 6: Final answer
    x = 14,212.33

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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.