Home / 13,926.60-20,893.28-4,066.20

Finding the Fourth Proportional to 13,926.60, 20,893.28 and 4,066.20

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Solution

The fourth proportional to 13,926.60, 20,893.28 and 4,066.20 is: 6,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.60 : 20,893.28 = 4,066.20 : x
  2. Step 2: Convert to fraction form
    13,926.60/20,893.28 = 4,066.20/x
  3. Step 3: Cross multiply
    13,926.60x = 20,893.28 × 4,066.20
  4. Step 4: Simplify right side
    13,926.60x = 84,956,234.81
  5. Step 5: Solve for x
    x = 84,956,234.81/13,926.60
  6. Step 6: Final answer
    x = 6,100.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.