Home / 20,066.58-27,701.94-12,998.70

Finding the Fourth Proportional to 20,066.58, 27,701.94 and 12,998.70

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Solution

The fourth proportional to 20,066.58, 27,701.94 and 12,998.70 is: 17,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.58 : 27,701.94 = 12,998.70 : x
  2. Step 2: Convert to fraction form
    20,066.58/27,701.94 = 12,998.70/x
  3. Step 3: Cross multiply
    20,066.58x = 27,701.94 × 12,998.70
  4. Step 4: Simplify right side
    20,066.58x = 360,089,207.48
  5. Step 5: Solve for x
    x = 360,089,207.48/20,066.58
  6. Step 6: Final answer
    x = 17,944.72

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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.