Home / 13,289.33-19,927.42-7,744.07

Finding the Fourth Proportional to 13,289.33, 19,927.42 and 7,744.07

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Solution

The fourth proportional to 13,289.33, 19,927.42 and 7,744.07 is: 11,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.33 : 19,927.42 = 7,744.07 : x
  2. Step 2: Convert to fraction form
    13,289.33/19,927.42 = 7,744.07/x
  3. Step 3: Cross multiply
    13,289.33x = 19,927.42 × 7,744.07
  4. Step 4: Simplify right side
    13,289.33x = 154,319,365.86
  5. Step 5: Solve for x
    x = 154,319,365.86/13,289.33
  6. Step 6: Final answer
    x = 11,612.27

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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.