Home / 18,318.99-25,278.08-10,360.83

Finding the Fourth Proportional to 18,318.99, 25,278.08 and 10,360.83

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Solution

The fourth proportional to 18,318.99, 25,278.08 and 10,360.83 is: 14,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.99 : 25,278.08 = 10,360.83 : x
  2. Step 2: Convert to fraction form
    18,318.99/25,278.08 = 10,360.83/x
  3. Step 3: Cross multiply
    18,318.99x = 25,278.08 × 10,360.83
  4. Step 4: Simplify right side
    18,318.99x = 261,901,837.80
  5. Step 5: Solve for x
    x = 261,901,837.80/18,318.99
  6. Step 6: Final answer
    x = 14,296.74

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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.