Home / 18,330.10-27,503.34-10,538.92

Finding the Fourth Proportional to 18,330.10, 27,503.34 and 10,538.92

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Solution

The fourth proportional to 18,330.10, 27,503.34 and 10,538.92 is: 15,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.10 : 27,503.34 = 10,538.92 : x
  2. Step 2: Convert to fraction form
    18,330.10/27,503.34 = 10,538.92/x
  3. Step 3: Cross multiply
    18,330.10x = 27,503.34 × 10,538.92
  4. Step 4: Simplify right side
    18,330.10x = 289,855,499.99
  5. Step 5: Solve for x
    x = 289,855,499.99/18,330.10
  6. Step 6: Final answer
    x = 15,813.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.