Home / 20,060.42-27,696.83-12,509.80

Finding the Fourth Proportional to 20,060.42, 27,696.83 and 12,509.80

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Solution

The fourth proportional to 20,060.42, 27,696.83 and 12,509.80 is: 17,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.42 : 27,696.83 = 12,509.80 : x
  2. Step 2: Convert to fraction form
    20,060.42/27,696.83 = 12,509.80/x
  3. Step 3: Cross multiply
    20,060.42x = 27,696.83 × 12,509.80
  4. Step 4: Simplify right side
    20,060.42x = 346,481,863.12
  5. Step 5: Solve for x
    x = 346,481,863.12/20,060.42
  6. Step 6: Final answer
    x = 17,271.91

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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.