Home / 13,338.41-19,991.66-6,213.05

Finding the Fourth Proportional to 13,338.41, 19,991.66 and 6,213.05

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Solution

The fourth proportional to 13,338.41, 19,991.66 and 6,213.05 is: 9,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.41 : 19,991.66 = 6,213.05 : x
  2. Step 2: Convert to fraction form
    13,338.41/19,991.66 = 6,213.05/x
  3. Step 3: Cross multiply
    13,338.41x = 19,991.66 × 6,213.05
  4. Step 4: Simplify right side
    13,338.41x = 124,209,083.20
  5. Step 5: Solve for x
    x = 124,209,083.20/13,338.41
  6. Step 6: Final answer
    x = 9,312.14

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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.