Home / 18,145.58-27,209.37-10,650.92

Finding the Fourth Proportional to 18,145.58, 27,209.37 and 10,650.92

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Solution

The fourth proportional to 18,145.58, 27,209.37 and 10,650.92 is: 15,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.58 : 27,209.37 = 10,650.92 : x
  2. Step 2: Convert to fraction form
    18,145.58/27,209.37 = 10,650.92/x
  3. Step 3: Cross multiply
    18,145.58x = 27,209.37 × 10,650.92
  4. Step 4: Simplify right side
    18,145.58x = 289,804,823.12
  5. Step 5: Solve for x
    x = 289,804,823.12/18,145.58
  6. Step 6: Final answer
    x = 15,971.10

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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.