Home / 18,325.43-25,288.30-10,367.79

Finding the Fourth Proportional to 18,325.43, 25,288.30 and 10,367.79

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Solution

The fourth proportional to 18,325.43, 25,288.30 and 10,367.79 is: 14,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.43 : 25,288.30 = 10,367.79 : x
  2. Step 2: Convert to fraction form
    18,325.43/25,288.30 = 10,367.79/x
  3. Step 3: Cross multiply
    18,325.43x = 25,288.30 × 10,367.79
  4. Step 4: Simplify right side
    18,325.43x = 262,183,783.86
  5. Step 5: Solve for x
    x = 262,183,783.86/18,325.43
  6. Step 6: Final answer
    x = 14,307.10

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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.