Home / 18,095.79-24,974.83-10,138.56

Finding the Fourth Proportional to 18,095.79, 24,974.83 and 10,138.56

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Solution

The fourth proportional to 18,095.79, 24,974.83 and 10,138.56 is: 13,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.79 : 24,974.83 = 10,138.56 : x
  2. Step 2: Convert to fraction form
    18,095.79/24,974.83 = 10,138.56/x
  3. Step 3: Cross multiply
    18,095.79x = 24,974.83 × 10,138.56
  4. Step 4: Simplify right side
    18,095.79x = 253,208,687.57
  5. Step 5: Solve for x
    x = 253,208,687.57/18,095.79
  6. Step 6: Final answer
    x = 13,992.68

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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.