Home / 20,063.04-27,679.56-12,993.36

Finding the Fourth Proportional to 20,063.04, 27,679.56 and 12,993.36

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Solution

The fourth proportional to 20,063.04, 27,679.56 and 12,993.36 is: 17,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.04 : 27,679.56 = 12,993.36 : x
  2. Step 2: Convert to fraction form
    20,063.04/27,679.56 = 12,993.36/x
  3. Step 3: Cross multiply
    20,063.04x = 27,679.56 × 12,993.36
  4. Step 4: Simplify right side
    20,063.04x = 359,650,487.72
  5. Step 5: Solve for x
    x = 359,650,487.72/20,063.04
  6. Step 6: Final answer
    x = 17,926.02

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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.