Home / 13,113.21-19,669.83-4,346.07

Finding the Fourth Proportional to 13,113.21, 19,669.83 and 4,346.07

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Solution

The fourth proportional to 13,113.21, 19,669.83 and 4,346.07 is: 6,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.21 : 19,669.83 = 4,346.07 : x
  2. Step 2: Convert to fraction form
    13,113.21/19,669.83 = 4,346.07/x
  3. Step 3: Cross multiply
    13,113.21x = 19,669.83 × 4,346.07
  4. Step 4: Simplify right side
    13,113.21x = 85,486,458.07
  5. Step 5: Solve for x
    x = 85,486,458.07/13,113.21
  6. Step 6: Final answer
    x = 6,519.11

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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.