Home / 20,060.20-27,681.78-12,104.20

Finding the Fourth Proportional to 20,060.20, 27,681.78 and 12,104.20

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Solution

The fourth proportional to 20,060.20, 27,681.78 and 12,104.20 is: 16,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.20 : 27,681.78 = 12,104.20 : x
  2. Step 2: Convert to fraction form
    20,060.20/27,681.78 = 12,104.20/x
  3. Step 3: Cross multiply
    20,060.20x = 27,681.78 × 12,104.20
  4. Step 4: Simplify right side
    20,060.20x = 335,065,801.48
  5. Step 5: Solve for x
    x = 335,065,801.48/20,060.20
  6. Step 6: Final answer
    x = 16,703.01

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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.