Home / 18,709.36-25,818.22-10,325.68

Finding the Fourth Proportional to 18,709.36, 25,818.22 and 10,325.68

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Solution

The fourth proportional to 18,709.36, 25,818.22 and 10,325.68 is: 14,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.36 : 25,818.22 = 10,325.68 : x
  2. Step 2: Convert to fraction form
    18,709.36/25,818.22 = 10,325.68/x
  3. Step 3: Cross multiply
    18,709.36x = 25,818.22 × 10,325.68
  4. Step 4: Simplify right side
    18,709.36x = 266,590,677.89
  5. Step 5: Solve for x
    x = 266,590,677.89/18,709.36
  6. Step 6: Final answer
    x = 14,249.05

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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.