Home / 13,932.69-19,227.63-7,645.07

Finding the Fourth Proportional to 13,932.69, 19,227.63 and 7,645.07

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Solution

The fourth proportional to 13,932.69, 19,227.63 and 7,645.07 is: 10,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.69 : 19,227.63 = 7,645.07 : x
  2. Step 2: Convert to fraction form
    13,932.69/19,227.63 = 7,645.07/x
  3. Step 3: Cross multiply
    13,932.69x = 19,227.63 × 7,645.07
  4. Step 4: Simplify right side
    13,932.69x = 146,996,481.15
  5. Step 5: Solve for x
    x = 146,996,481.15/13,932.69
  6. Step 6: Final answer
    x = 10,550.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.