Home / 13,230.89-19,842.97-4,906.31

Finding the Fourth Proportional to 13,230.89, 19,842.97 and 4,906.31

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Solution

The fourth proportional to 13,230.89, 19,842.97 and 4,906.31 is: 7,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.89 : 19,842.97 = 4,906.31 : x
  2. Step 2: Convert to fraction form
    13,230.89/19,842.97 = 4,906.31/x
  3. Step 3: Cross multiply
    13,230.89x = 19,842.97 × 4,906.31
  4. Step 4: Simplify right side
    13,230.89x = 97,355,762.14
  5. Step 5: Solve for x
    x = 97,355,762.14/13,230.89
  6. Step 6: Final answer
    x = 7,358.22

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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.