Home / 20,064.06-27,697.44-12,904.38

Finding the Fourth Proportional to 20,064.06, 27,697.44 and 12,904.38

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Solution

The fourth proportional to 20,064.06, 27,697.44 and 12,904.38 is: 17,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.06 : 27,697.44 = 12,904.38 : x
  2. Step 2: Convert to fraction form
    20,064.06/27,697.44 = 12,904.38/x
  3. Step 3: Cross multiply
    20,064.06x = 27,697.44 × 12,904.38
  4. Step 4: Simplify right side
    20,064.06x = 357,418,290.79
  5. Step 5: Solve for x
    x = 357,418,290.79/20,064.06
  6. Step 6: Final answer
    x = 17,813.86

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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.