Home / 18,709.18-25,818.66-10,325.68

Finding the Fourth Proportional to 18,709.18, 25,818.66 and 10,325.68

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Solution

The fourth proportional to 18,709.18, 25,818.66 and 10,325.68 is: 14,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.18 : 25,818.66 = 10,325.68 : x
  2. Step 2: Convert to fraction form
    18,709.18/25,818.66 = 10,325.68/x
  3. Step 3: Cross multiply
    18,709.18x = 25,818.66 × 10,325.68
  4. Step 4: Simplify right side
    18,709.18x = 266,595,221.19
  5. Step 5: Solve for x
    x = 266,595,221.19/18,709.18
  6. Step 6: Final answer
    x = 14,249.43

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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.