Home / 13,266.66-19,899.99-3,906.68

Finding the Fourth Proportional to 13,266.66, 19,899.99 and 3,906.68

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Solution

The fourth proportional to 13,266.66, 19,899.99 and 3,906.68 is: 5,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.66 : 19,899.99 = 3,906.68 : x
  2. Step 2: Convert to fraction form
    13,266.66/19,899.99 = 3,906.68/x
  3. Step 3: Cross multiply
    13,266.66x = 19,899.99 × 3,906.68
  4. Step 4: Simplify right side
    13,266.66x = 77,742,892.93
  5. Step 5: Solve for x
    x = 77,742,892.93/13,266.66
  6. Step 6: Final answer
    x = 5,860.02

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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.